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Finding the Fourth Proportional to 497,243.20, 745,864.80 and 181,659.10

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Solution

The fourth proportional to 497,243.20, 745,864.80 and 181,659.10 is: 272,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,243.20 : 745,864.80 = 181,659.10 : x
  2. Step 2: Convert to fraction form
    497,243.20/745,864.80 = 181,659.10/x
  3. Step 3: Cross multiply
    497,243.20x = 745,864.80 × 181,659.10
  4. Step 4: Simplify right side
    497,243.20x = 135,493,128,289.68
  5. Step 5: Solve for x
    x = 135,493,128,289.68/497,243.20
  6. Step 6: Final answer
    x = 272,488.65

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Similar ratio
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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.