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Finding the Fourth Proportional to 499,589.80, 749,196.62 and 162,542.28

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Solution

The fourth proportional to 499,589.80, 749,196.62 and 162,542.28 is: 243,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,589.80 : 749,196.62 = 162,542.28 : x
  2. Step 2: Convert to fraction form
    499,589.80/749,196.62 = 162,542.28/x
  3. Step 3: Cross multiply
    499,589.80x = 749,196.62 × 162,542.28
  4. Step 4: Simplify right side
    499,589.80x = 121,776,126,783.09
  5. Step 5: Solve for x
    x = 121,776,126,783.09/499,589.80
  6. Step 6: Final answer
    x = 243,752.23

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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.