Home / 424,828.10-637,335.90-140,607.20

Finding the Fourth Proportional to 424,828.10, 637,335.90 and 140,607.20

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Solution

The fourth proportional to 424,828.10, 637,335.90 and 140,607.20 is: 210,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,828.10 : 637,335.90 = 140,607.20 : x
  2. Step 2: Convert to fraction form
    424,828.10/637,335.90 = 140,607.20/x
  3. Step 3: Cross multiply
    424,828.10x = 637,335.90 × 140,607.20
  4. Step 4: Simplify right side
    424,828.10x = 89,614,016,358.48
  5. Step 5: Solve for x
    x = 89,614,016,358.48/424,828.10
  6. Step 6: Final answer
    x = 210,941.83

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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.