Home / 331,545.20-497,317.80-82,227.20

Finding the Fourth Proportional to 331,545.20, 497,317.80 and 82,227.20

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Solution

The fourth proportional to 331,545.20, 497,317.80 and 82,227.20 is: 123,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,545.20 : 497,317.80 = 82,227.20 : x
  2. Step 2: Convert to fraction form
    331,545.20/497,317.80 = 82,227.20/x
  3. Step 3: Cross multiply
    331,545.20x = 497,317.80 × 82,227.20
  4. Step 4: Simplify right side
    331,545.20x = 40,893,050,204.16
  5. Step 5: Solve for x
    x = 40,893,050,204.16/331,545.20
  6. Step 6: Final answer
    x = 123,340.80

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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.