Home / 453,024.30-679,536.45-137,480.70

Finding the Fourth Proportional to 453,024.30, 679,536.45 and 137,480.70

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Solution

The fourth proportional to 453,024.30, 679,536.45 and 137,480.70 is: 206,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,024.30 : 679,536.45 = 137,480.70 : x
  2. Step 2: Convert to fraction form
    453,024.30/679,536.45 = 137,480.70/x
  3. Step 3: Cross multiply
    453,024.30x = 679,536.45 × 137,480.70
  4. Step 4: Simplify right side
    453,024.30x = 93,423,146,821.52
  5. Step 5: Solve for x
    x = 93,423,146,821.52/453,024.30
  6. Step 6: Final answer
    x = 206,221.05

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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.