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Finding the Fourth Proportional to 317,360.48, 476,042.36 and 107,000.24

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Solution

The fourth proportional to 317,360.48, 476,042.36 and 107,000.24 is: 160,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,360.48 : 476,042.36 = 107,000.24 : x
  2. Step 2: Convert to fraction form
    317,360.48/476,042.36 = 107,000.24/x
  3. Step 3: Cross multiply
    317,360.48x = 476,042.36 × 107,000.24
  4. Step 4: Simplify right side
    317,360.48x = 50,936,646,770.17
  5. Step 5: Solve for x
    x = 50,936,646,770.17/317,360.48
  6. Step 6: Final answer
    x = 160,500.91

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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.