Home / 497,743.20-746,614.80-165,319.20

Finding the Fourth Proportional to 497,743.20, 746,614.80 and 165,319.20

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Solution

The fourth proportional to 497,743.20, 746,614.80 and 165,319.20 is: 247,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,743.20 : 746,614.80 = 165,319.20 : x
  2. Step 2: Convert to fraction form
    497,743.20/746,614.80 = 165,319.20/x
  3. Step 3: Cross multiply
    497,743.20x = 746,614.80 × 165,319.20
  4. Step 4: Simplify right side
    497,743.20x = 123,429,761,444.16
  5. Step 5: Solve for x
    x = 123,429,761,444.16/497,743.20
  6. Step 6: Final answer
    x = 247,978.80

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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.