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Finding the Fourth Proportional to 329,732.08, 494,904.30 and 130,190.20

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Solution

The fourth proportional to 329,732.08, 494,904.30 and 130,190.20 is: 195,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,732.08 : 494,904.30 = 130,190.20 : x
  2. Step 2: Convert to fraction form
    329,732.08/494,904.30 = 130,190.20/x
  3. Step 3: Cross multiply
    329,732.08x = 494,904.30 × 130,190.20
  4. Step 4: Simplify right side
    329,732.08x = 64,431,689,797.86
  5. Step 5: Solve for x
    x = 64,431,689,797.86/329,732.08
  6. Step 6: Final answer
    x = 195,406.19

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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.