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Finding the Fourth Proportional to 555,005.60, 832,508.40 and 200,031.20

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Solution

The fourth proportional to 555,005.60, 832,508.40 and 200,031.20 is: 300,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,005.60 : 832,508.40 = 200,031.20 : x
  2. Step 2: Convert to fraction form
    555,005.60/832,508.40 = 200,031.20/x
  3. Step 3: Cross multiply
    555,005.60x = 832,508.40 × 200,031.20
  4. Step 4: Simplify right side
    555,005.60x = 166,527,654,262.08
  5. Step 5: Solve for x
    x = 166,527,654,262.08/555,005.60
  6. Step 6: Final answer
    x = 300,046.80

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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.