Home / 308,146.17-425,261.43-172,180.47

Finding the Fourth Proportional to 308,146.17, 425,261.43 and 172,180.47

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Solution

The fourth proportional to 308,146.17, 425,261.43 and 172,180.47 is: 237,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,146.17 : 425,261.43 = 172,180.47 : x
  2. Step 2: Convert to fraction form
    308,146.17/425,261.43 = 172,180.47/x
  3. Step 3: Cross multiply
    308,146.17x = 425,261.43 × 172,180.47
  4. Step 4: Simplify right side
    308,146.17x = 73,221,712,890.27
  5. Step 5: Solve for x
    x = 73,221,712,890.27/308,146.17
  6. Step 6: Final answer
    x = 237,620.06

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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.