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Finding the Fourth Proportional to 539,251.30, 809,168.55 and 223,740.10

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Solution

The fourth proportional to 539,251.30, 809,168.55 and 223,740.10 is: 335,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,251.30 : 809,168.55 = 223,740.10 : x
  2. Step 2: Convert to fraction form
    539,251.30/809,168.55 = 223,740.10/x
  3. Step 3: Cross multiply
    539,251.30x = 809,168.55 × 223,740.10
  4. Step 4: Simplify right side
    539,251.30x = 181,043,452,293.86
  5. Step 5: Solve for x
    x = 181,043,452,293.86/539,251.30
  6. Step 6: Final answer
    x = 335,731.14

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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.