Home / 331,438.20-497,546.10-329,105.40

Finding the Fourth Proportional to 331,438.20, 497,546.10 and 329,105.40

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Solution

The fourth proportional to 331,438.20, 497,546.10 and 329,105.40 is: 494,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,438.20 : 497,546.10 = 329,105.40 : x
  2. Step 2: Convert to fraction form
    331,438.20/497,546.10 = 329,105.40/x
  3. Step 3: Cross multiply
    331,438.20x = 497,546.10 × 329,105.40
  4. Step 4: Simplify right side
    331,438.20x = 163,745,108,258.94
  5. Step 5: Solve for x
    x = 163,745,108,258.94/331,438.20
  6. Step 6: Final answer
    x = 494,044.16

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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.