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Finding the Fourth Proportional to 636,230.02, 954,320.10 and 215,505.88

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Solution

The fourth proportional to 636,230.02, 954,320.10 and 215,505.88 is: 323,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,230.02 : 954,320.10 = 215,505.88 : x
  2. Step 2: Convert to fraction form
    636,230.02/954,320.10 = 215,505.88/x
  3. Step 3: Cross multiply
    636,230.02x = 954,320.10 × 215,505.88
  4. Step 4: Simplify right side
    636,230.02x = 205,661,592,952.19
  5. Step 5: Solve for x
    x = 205,661,592,952.19/636,230.02
  6. Step 6: Final answer
    x = 323,250.38

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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.