Home / 263,687.13-395,549.15-130,531.64

Finding the Fourth Proportional to 263,687.13, 395,549.15 and 130,531.64

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Solution

The fourth proportional to 263,687.13, 395,549.15 and 130,531.64 is: 195,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,687.13 : 395,549.15 = 130,531.64 : x
  2. Step 2: Convert to fraction form
    263,687.13/395,549.15 = 130,531.64/x
  3. Step 3: Cross multiply
    263,687.13x = 395,549.15 × 130,531.64
  4. Step 4: Simplify right side
    263,687.13x = 51,631,676,619.70
  5. Step 5: Solve for x
    x = 51,631,676,619.70/263,687.13
  6. Step 6: Final answer
    x = 195,806.59

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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.