Home / 231,837.30-347,772.15-91,577.70

Finding the Fourth Proportional to 231,837.30, 347,772.15 and 91,577.70

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Solution

The fourth proportional to 231,837.30, 347,772.15 and 91,577.70 is: 137,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,837.30 : 347,772.15 = 91,577.70 : x
  2. Step 2: Convert to fraction form
    231,837.30/347,772.15 = 91,577.70/x
  3. Step 3: Cross multiply
    231,837.30x = 347,772.15 × 91,577.70
  4. Step 4: Simplify right side
    231,837.30x = 31,848,173,621.06
  5. Step 5: Solve for x
    x = 31,848,173,621.06/231,837.30
  6. Step 6: Final answer
    x = 137,372.95

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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.