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Finding the Fourth Proportional to 251,612.92, 347,334.78 and 179,868.52

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Solution

The fourth proportional to 251,612.92, 347,334.78 and 179,868.52 is: 248,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,612.92 : 347,334.78 = 179,868.52 : x
  2. Step 2: Convert to fraction form
    251,612.92/347,334.78 = 179,868.52/x
  3. Step 3: Cross multiply
    251,612.92x = 347,334.78 × 179,868.52
  4. Step 4: Simplify right side
    251,612.92x = 62,474,592,823.13
  5. Step 5: Solve for x
    x = 62,474,592,823.13/251,612.92
  6. Step 6: Final answer
    x = 248,296.44

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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.