Home / 331,428.20-497,531.10-329,095.40

Finding the Fourth Proportional to 331,428.20, 497,531.10 and 329,095.40

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Solution

The fourth proportional to 331,428.20, 497,531.10 and 329,095.40 is: 494,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,428.20 : 497,531.10 = 329,095.40 : x
  2. Step 2: Convert to fraction form
    331,428.20/497,531.10 = 329,095.40/x
  3. Step 3: Cross multiply
    331,428.20x = 497,531.10 × 329,095.40
  4. Step 4: Simplify right side
    331,428.20x = 163,735,196,366.94
  5. Step 5: Solve for x
    x = 163,735,196,366.94/331,428.20
  6. Step 6: Final answer
    x = 494,029.16

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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.