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Finding the Fourth Proportional to 441,202.95, 660,134.37 and 261,384.92

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Solution

The fourth proportional to 441,202.95, 660,134.37 and 261,384.92 is: 391,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,202.95 : 660,134.37 = 261,384.92 : x
  2. Step 2: Convert to fraction form
    441,202.95/660,134.37 = 261,384.92/x
  3. Step 3: Cross multiply
    441,202.95x = 660,134.37 × 261,384.92
  4. Step 4: Simplify right side
    441,202.95x = 172,549,166,191.03
  5. Step 5: Solve for x
    x = 172,549,166,191.03/441,202.95
  6. Step 6: Final answer
    x = 391,087.97

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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.