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Finding the Fourth Proportional to 317,154.92, 476,138.36 and 272,462.22

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Solution

The fourth proportional to 317,154.92, 476,138.36 and 272,462.22 is: 409,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,154.92 : 476,138.36 = 272,462.22 : x
  2. Step 2: Convert to fraction form
    317,154.92/476,138.36 = 272,462.22/x
  3. Step 3: Cross multiply
    317,154.92x = 476,138.36 × 272,462.22
  4. Step 4: Simplify right side
    317,154.92x = 129,729,714,592.76
  5. Step 5: Solve for x
    x = 129,729,714,592.76/317,154.92
  6. Step 6: Final answer
    x = 409,042.10

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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.