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Finding the Fourth Proportional to 636,995.40, 955,493.10 and 232,217.97

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Solution

The fourth proportional to 636,995.40, 955,493.10 and 232,217.97 is: 348,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,995.40 : 955,493.10 = 232,217.97 : x
  2. Step 2: Convert to fraction form
    636,995.40/955,493.10 = 232,217.97/x
  3. Step 3: Cross multiply
    636,995.40x = 955,493.10 × 232,217.97
  4. Step 4: Simplify right side
    636,995.40x = 221,882,668,031.01
  5. Step 5: Solve for x
    x = 221,882,668,031.01/636,995.40
  6. Step 6: Final answer
    x = 348,326.96

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Similar ratio
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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.