Home / 308,080.26-425,151.18-187,189.38

Finding the Fourth Proportional to 308,080.26, 425,151.18 and 187,189.38

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Solution

The fourth proportional to 308,080.26, 425,151.18 and 187,189.38 is: 258,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,080.26 : 425,151.18 = 187,189.38 : x
  2. Step 2: Convert to fraction form
    308,080.26/425,151.18 = 187,189.38/x
  3. Step 3: Cross multiply
    308,080.26x = 425,151.18 × 187,189.38
  4. Step 4: Simplify right side
    308,080.26x = 79,583,785,790.47
  5. Step 5: Solve for x
    x = 79,583,785,790.47/308,080.26
  6. Step 6: Final answer
    x = 258,321.60

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1.5x scale

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.