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Finding the Fourth Proportional to 329,539.92, 454,765.68 and 178,637.28

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Solution

The fourth proportional to 329,539.92, 454,765.68 and 178,637.28 is: 246,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,539.92 : 454,765.68 = 178,637.28 : x
  2. Step 2: Convert to fraction form
    329,539.92/454,765.68 = 178,637.28/x
  3. Step 3: Cross multiply
    329,539.92x = 454,765.68 × 178,637.28
  4. Step 4: Simplify right side
    329,539.92x = 81,238,104,112.55
  5. Step 5: Solve for x
    x = 81,238,104,112.55/329,539.92
  6. Step 6: Final answer
    x = 246,519.77

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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.