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Finding the Fourth Proportional to 636,146.30, 954,218.84 and 162,830.90

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Solution

The fourth proportional to 636,146.30, 954,218.84 and 162,830.90 is: 244,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,146.30 : 954,218.84 = 162,830.90 : x
  2. Step 2: Convert to fraction form
    636,146.30/954,218.84 = 162,830.90/x
  3. Step 3: Cross multiply
    636,146.30x = 954,218.84 × 162,830.90
  4. Step 4: Simplify right side
    636,146.30x = 155,376,306,928.91
  5. Step 5: Solve for x
    x = 155,376,306,928.91/636,146.30
  6. Step 6: Final answer
    x = 244,246.19

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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.