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Finding the Fourth Proportional to 636,146.28, 954,218.82 and 162,830.88

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Solution

The fourth proportional to 636,146.28, 954,218.82 and 162,830.88 is: 244,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,146.28 : 954,218.82 = 162,830.88 : x
  2. Step 2: Convert to fraction form
    636,146.28/954,218.82 = 162,830.88/x
  3. Step 3: Cross multiply
    636,146.28x = 954,218.82 × 162,830.88
  4. Step 4: Simplify right side
    636,146.28x = 155,376,290,173.16
  5. Step 5: Solve for x
    x = 155,376,290,173.16/636,146.28
  6. Step 6: Final answer
    x = 244,246.17

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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.