Home / 406,376.52-609,621.92-169,665.36

Finding the Fourth Proportional to 406,376.52, 609,621.92 and 169,665.36

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Solution

The fourth proportional to 406,376.52, 609,621.92 and 169,665.36 is: 254,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,376.52 : 609,621.92 = 169,665.36 : x
  2. Step 2: Convert to fraction form
    406,376.52/609,621.92 = 169,665.36/x
  3. Step 3: Cross multiply
    406,376.52x = 609,621.92 × 169,665.36
  4. Step 4: Simplify right side
    406,376.52x = 103,431,722,520.69
  5. Step 5: Solve for x
    x = 103,431,722,520.69/406,376.52
  6. Step 6: Final answer
    x = 254,521.90

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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.