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Finding the Fourth Proportional to 279,851.25, 386,049.24 and 177,701.95

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Solution

The fourth proportional to 279,851.25, 386,049.24 and 177,701.95 is: 245,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,851.25 : 386,049.24 = 177,701.95 : x
  2. Step 2: Convert to fraction form
    279,851.25/386,049.24 = 177,701.95/x
  3. Step 3: Cross multiply
    279,851.25x = 386,049.24 × 177,701.95
  4. Step 4: Simplify right side
    279,851.25x = 68,601,703,226.58
  5. Step 5: Solve for x
    x = 68,601,703,226.58/279,851.25
  6. Step 6: Final answer
    x = 245,136.31

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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.