Home / 497,978.27-746,747.08-142,909.91

Finding the Fourth Proportional to 497,978.27, 746,747.08 and 142,909.91

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Solution

The fourth proportional to 497,978.27, 746,747.08 and 142,909.91 is: 214,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,978.27 : 746,747.08 = 142,909.91 : x
  2. Step 2: Convert to fraction form
    497,978.27/746,747.08 = 142,909.91/x
  3. Step 3: Cross multiply
    497,978.27x = 746,747.08 × 142,909.91
  4. Step 4: Simplify right side
    497,978.27x = 106,717,557,995.56
  5. Step 5: Solve for x
    x = 106,717,557,995.56/497,978.27
  6. Step 6: Final answer
    x = 214,301.64

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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.