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Finding the Fourth Proportional to 378,232.40, 566,765.40 and 328,077.20

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Solution

The fourth proportional to 378,232.40, 566,765.40 and 328,077.20 is: 491,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,232.40 : 566,765.40 = 328,077.20 : x
  2. Step 2: Convert to fraction form
    378,232.40/566,765.40 = 328,077.20/x
  3. Step 3: Cross multiply
    378,232.40x = 566,765.40 × 328,077.20
  4. Step 4: Simplify right side
    378,232.40x = 185,942,805,488.88
  5. Step 5: Solve for x
    x = 185,942,805,488.88/378,232.40
  6. Step 6: Final answer
    x = 491,609.93

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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.