Home / 331,424.90-497,202.15-131,711.30

Finding the Fourth Proportional to 331,424.90, 497,202.15 and 131,711.30

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Solution

The fourth proportional to 331,424.90, 497,202.15 and 131,711.30 is: 197,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,424.90 : 497,202.15 = 131,711.30 : x
  2. Step 2: Convert to fraction form
    331,424.90/497,202.15 = 131,711.30/x
  3. Step 3: Cross multiply
    331,424.90x = 497,202.15 × 131,711.30
  4. Step 4: Simplify right side
    331,424.90x = 65,487,141,539.30
  5. Step 5: Solve for x
    x = 65,487,141,539.30/331,424.90
  6. Step 6: Final answer
    x = 197,592.70

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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.