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Finding the Fourth Proportional to 361,959.27, 499,527.41 and 209,003.91

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Solution

The fourth proportional to 361,959.27, 499,527.41 and 209,003.91 is: 288,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,959.27 : 499,527.41 = 209,003.91 : x
  2. Step 2: Convert to fraction form
    361,959.27/499,527.41 = 209,003.91/x
  3. Step 3: Cross multiply
    361,959.27x = 499,527.41 × 209,003.91
  4. Step 4: Simplify right side
    361,959.27x = 104,403,181,842.17
  5. Step 5: Solve for x
    x = 104,403,181,842.17/361,959.27
  6. Step 6: Final answer
    x = 288,439.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.