Home / 231,382.70-347,129.49-79,577.18

Finding the Fourth Proportional to 231,382.70, 347,129.49 and 79,577.18

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Solution

The fourth proportional to 231,382.70, 347,129.49 and 79,577.18 is: 119,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,382.70 : 347,129.49 = 79,577.18 : x
  2. Step 2: Convert to fraction form
    231,382.70/347,129.49 = 79,577.18/x
  3. Step 3: Cross multiply
    231,382.70x = 347,129.49 × 79,577.18
  4. Step 4: Simplify right side
    231,382.70x = 27,623,585,909.04
  5. Step 5: Solve for x
    x = 27,623,585,909.04/231,382.70
  6. Step 6: Final answer
    x = 119,384.84

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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.