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Finding the Fourth Proportional to 636,231.02, 954,321.60 and 215,506.88

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Solution

The fourth proportional to 636,231.02, 954,321.60 and 215,506.88 is: 323,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,231.02 : 954,321.60 = 215,506.88 : x
  2. Step 2: Convert to fraction form
    636,231.02/954,321.60 = 215,506.88/x
  3. Step 3: Cross multiply
    636,231.02x = 954,321.60 × 215,506.88
  4. Step 4: Simplify right side
    636,231.02x = 205,662,870,532.61
  5. Step 5: Solve for x
    x = 205,662,870,532.61/636,231.02
  6. Step 6: Final answer
    x = 323,251.88

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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.