Home / 331,522.18-497,279.59-198,439.58

Finding the Fourth Proportional to 331,522.18, 497,279.59 and 198,439.58

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Solution

The fourth proportional to 331,522.18, 497,279.59 and 198,439.58 is: 297,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,522.18 : 497,279.59 = 198,439.58 : x
  2. Step 2: Convert to fraction form
    331,522.18/497,279.59 = 198,439.58/x
  3. Step 3: Cross multiply
    331,522.18x = 497,279.59 × 198,439.58
  4. Step 4: Simplify right side
    331,522.18x = 98,679,952,982.17
  5. Step 5: Solve for x
    x = 98,679,952,982.17/331,522.18
  6. Step 6: Final answer
    x = 297,657.17

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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.