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Finding the Fourth Proportional to 329,677.92, 494,719.92 and 129,964.32

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Solution

The fourth proportional to 329,677.92, 494,719.92 and 129,964.32 is: 195,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,677.92 : 494,719.92 = 129,964.32 : x
  2. Step 2: Convert to fraction form
    329,677.92/494,719.92 = 129,964.32/x
  3. Step 3: Cross multiply
    329,677.92x = 494,719.92 × 129,964.32
  4. Step 4: Simplify right side
    329,677.92x = 64,295,937,993.25
  5. Step 5: Solve for x
    x = 64,295,937,993.25/329,677.92
  6. Step 6: Final answer
    x = 195,026.52

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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.