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Finding the Fourth Proportional to 636,271.20, 954,385.20 and 162,961.20

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Solution

The fourth proportional to 636,271.20, 954,385.20 and 162,961.20 is: 244,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,271.20 : 954,385.20 = 162,961.20 : x
  2. Step 2: Convert to fraction form
    636,271.20/954,385.20 = 162,961.20/x
  3. Step 3: Cross multiply
    636,271.20x = 954,385.20 × 162,961.20
  4. Step 4: Simplify right side
    636,271.20x = 155,527,757,454.24
  5. Step 5: Solve for x
    x = 155,527,757,454.24/636,271.20
  6. Step 6: Final answer
    x = 244,436.27

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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.