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Finding the Fourth Proportional to 496,781.28, 744,722.52 and 181,164.24

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Solution

The fourth proportional to 496,781.28, 744,722.52 and 181,164.24 is: 271,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,781.28 : 744,722.52 = 181,164.24 : x
  2. Step 2: Convert to fraction form
    496,781.28/744,722.52 = 181,164.24/x
  3. Step 3: Cross multiply
    496,781.28x = 744,722.52 × 181,164.24
  4. Step 4: Simplify right side
    496,781.28x = 134,917,089,346.69
  5. Step 5: Solve for x
    x = 134,917,089,346.69/496,781.28
  6. Step 6: Final answer
    x = 271,582.47

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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.