Home / 308,080.20-425,108.61-172,097.33

Finding the Fourth Proportional to 308,080.20, 425,108.61 and 172,097.33

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Solution

The fourth proportional to 308,080.20, 425,108.61 and 172,097.33 is: 237,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,080.20 : 425,108.61 = 172,097.33 : x
  2. Step 2: Convert to fraction form
    308,080.20/425,108.61 = 172,097.33/x
  3. Step 3: Cross multiply
    308,080.20x = 425,108.61 × 172,097.33
  4. Step 4: Simplify right side
    308,080.20x = 73,160,057,803.78
  5. Step 5: Solve for x
    x = 73,160,057,803.78/308,080.20
  6. Step 6: Final answer
    x = 237,470.82

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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.