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Finding the Fourth Proportional to 636,280.38, 954,398.70 and 162,969.84

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Solution

The fourth proportional to 636,280.38, 954,398.70 and 162,969.84 is: 244,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,280.38 : 954,398.70 = 162,969.84 : x
  2. Step 2: Convert to fraction form
    636,280.38/954,398.70 = 162,969.84/x
  3. Step 3: Cross multiply
    636,280.38x = 954,398.70 × 162,969.84
  4. Step 4: Simplify right side
    636,280.38x = 155,538,203,435.21
  5. Step 5: Solve for x
    x = 155,538,203,435.21/636,280.38
  6. Step 6: Final answer
    x = 244,449.16

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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.