Home / 331,132.88-457,051.24-203,915.08

Finding the Fourth Proportional to 331,132.88, 457,051.24 and 203,915.08

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Solution

The fourth proportional to 331,132.88, 457,051.24 and 203,915.08 is: 281,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,132.88 : 457,051.24 = 203,915.08 : x
  2. Step 2: Convert to fraction form
    331,132.88/457,051.24 = 203,915.08/x
  3. Step 3: Cross multiply
    331,132.88x = 457,051.24 × 203,915.08
  4. Step 4: Simplify right side
    331,132.88x = 93,199,640,168.70
  5. Step 5: Solve for x
    x = 93,199,640,168.70/331,132.88
  6. Step 6: Final answer
    x = 281,456.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.