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Finding the Fourth Proportional to 503,158.80, 755,151.30 and 499,222.20

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Solution

The fourth proportional to 503,158.80, 755,151.30 and 499,222.20 is: 749,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,158.80 : 755,151.30 = 499,222.20 : x
  2. Step 2: Convert to fraction form
    503,158.80/755,151.30 = 499,222.20/x
  3. Step 3: Cross multiply
    503,158.80x = 755,151.30 × 499,222.20
  4. Step 4: Simplify right side
    503,158.80x = 376,988,293,318.86
  5. Step 5: Solve for x
    x = 376,988,293,318.86/503,158.80
  6. Step 6: Final answer
    x = 749,243.17

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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.