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Finding the Fourth Proportional to 662,295.20, 992,881.20 and 241,325.60

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Solution

The fourth proportional to 662,295.20, 992,881.20 and 241,325.60 is: 361,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,295.20 : 992,881.20 = 241,325.60 : x
  2. Step 2: Convert to fraction form
    662,295.20/992,881.20 = 241,325.60/x
  3. Step 3: Cross multiply
    662,295.20x = 992,881.20 × 241,325.60
  4. Step 4: Simplify right side
    662,295.20x = 239,607,651,318.72
  5. Step 5: Solve for x
    x = 239,607,651,318.72/662,295.20
  6. Step 6: Final answer
    x = 361,783.77

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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.