Home / 453,604.08-680,381.10-138,036.36

Finding the Fourth Proportional to 453,604.08, 680,381.10 and 138,036.36

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Solution

The fourth proportional to 453,604.08, 680,381.10 and 138,036.36 is: 207,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,604.08 : 680,381.10 = 138,036.36 : x
  2. Step 2: Convert to fraction form
    453,604.08/680,381.10 = 138,036.36/x
  3. Step 3: Cross multiply
    453,604.08x = 680,381.10 × 138,036.36
  4. Step 4: Simplify right side
    453,604.08x = 93,917,330,456.80
  5. Step 5: Solve for x
    x = 93,917,330,456.80/453,604.08
  6. Step 6: Final answer
    x = 207,046.93

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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.