Home / 413,229.78-619,822.80-132,725.16

Finding the Fourth Proportional to 413,229.78, 619,822.80 and 132,725.16

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Solution

The fourth proportional to 413,229.78, 619,822.80 and 132,725.16 is: 199,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,229.78 : 619,822.80 = 132,725.16 : x
  2. Step 2: Convert to fraction form
    413,229.78/619,822.80 = 132,725.16/x
  3. Step 3: Cross multiply
    413,229.78x = 619,822.80 × 132,725.16
  4. Step 4: Simplify right side
    413,229.78x = 82,266,080,301.65
  5. Step 5: Solve for x
    x = 82,266,080,301.65/413,229.78
  6. Step 6: Final answer
    x = 199,080.72

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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.