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Finding the Fourth Proportional to 636,151.30, 954,226.34 and 162,835.90

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Solution

The fourth proportional to 636,151.30, 954,226.34 and 162,835.90 is: 244,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,151.30 : 954,226.34 = 162,835.90 : x
  2. Step 2: Convert to fraction form
    636,151.30/954,226.34 = 162,835.90/x
  3. Step 3: Cross multiply
    636,151.30x = 954,226.34 × 162,835.90
  4. Step 4: Simplify right side
    636,151.30x = 155,382,304,877.61
  5. Step 5: Solve for x
    x = 155,382,304,877.61/636,151.30
  6. Step 6: Final answer
    x = 244,253.69

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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.