Home / 424,826.10-637,332.91-140,605.20

Finding the Fourth Proportional to 424,826.10, 637,332.91 and 140,605.20

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Solution

The fourth proportional to 424,826.10, 637,332.91 and 140,605.20 is: 210,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,826.10 : 637,332.91 = 140,605.20 : x
  2. Step 2: Convert to fraction form
    424,826.10/637,332.91 = 140,605.20/x
  3. Step 3: Cross multiply
    424,826.10x = 637,332.91 × 140,605.20
  4. Step 4: Simplify right side
    424,826.10x = 89,612,320,925.62
  5. Step 5: Solve for x
    x = 89,612,320,925.62/424,826.10
  6. Step 6: Final answer
    x = 210,938.83

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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.