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Finding the Fourth Proportional to 181,387.40, 272,081.10 and 179,637.80

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Solution

The fourth proportional to 181,387.40, 272,081.10 and 179,637.80 is: 269,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,387.40 : 272,081.10 = 179,637.80 : x
  2. Step 2: Convert to fraction form
    181,387.40/272,081.10 = 179,637.80/x
  3. Step 3: Cross multiply
    181,387.40x = 272,081.10 × 179,637.80
  4. Step 4: Simplify right side
    181,387.40x = 48,876,050,225.58
  5. Step 5: Solve for x
    x = 48,876,050,225.58/181,387.40
  6. Step 6: Final answer
    x = 269,456.70

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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.