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Finding the Fourth Proportional to 248,696.26, 372,752.17 and 115,295.74

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Solution

The fourth proportional to 248,696.26, 372,752.17 and 115,295.74 is: 172,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,696.26 : 372,752.17 = 115,295.74 : x
  2. Step 2: Convert to fraction form
    248,696.26/372,752.17 = 115,295.74/x
  3. Step 3: Cross multiply
    248,696.26x = 372,752.17 × 115,295.74
  4. Step 4: Simplify right side
    248,696.26x = 42,976,737,276.76
  5. Step 5: Solve for x
    x = 42,976,737,276.76/248,696.26
  6. Step 6: Final answer
    x = 172,808.14

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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.