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Finding the Fourth Proportional to 636,149.38, 954,202.20 and 162,838.84

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Solution

The fourth proportional to 636,149.38, 954,202.20 and 162,838.84 is: 244,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,149.38 : 954,202.20 = 162,838.84 : x
  2. Step 2: Convert to fraction form
    636,149.38/954,202.20 = 162,838.84/x
  3. Step 3: Cross multiply
    636,149.38x = 954,202.20 × 162,838.84
  4. Step 4: Simplify right side
    636,149.38x = 155,381,179,373.45
  5. Step 5: Solve for x
    x = 155,381,179,373.45/636,149.38
  6. Step 6: Final answer
    x = 244,252.66

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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.