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Finding the Fourth Proportional to 662,101.61, 993,251.23 and 307,151.51

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Solution

The fourth proportional to 662,101.61, 993,251.23 and 307,151.51 is: 460,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,101.61 : 993,251.23 = 307,151.51 : x
  2. Step 2: Convert to fraction form
    662,101.61/993,251.23 = 307,151.51/x
  3. Step 3: Cross multiply
    662,101.61x = 993,251.23 × 307,151.51
  4. Step 4: Simplify right side
    662,101.61x = 305,078,609,369.72
  5. Step 5: Solve for x
    x = 305,078,609,369.72/662,101.61
  6. Step 6: Final answer
    x = 460,773.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.