Home / 347,112.88-521,151.20-178,753.58

Finding the Fourth Proportional to 347,112.88, 521,151.20 and 178,753.58

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Solution

The fourth proportional to 347,112.88, 521,151.20 and 178,753.58 is: 268,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,112.88 : 521,151.20 = 178,753.58 : x
  2. Step 2: Convert to fraction form
    347,112.88/521,151.20 = 178,753.58/x
  3. Step 3: Cross multiply
    347,112.88x = 521,151.20 × 178,753.58
  4. Step 4: Simplify right side
    347,112.88x = 93,157,642,721.30
  5. Step 5: Solve for x
    x = 93,157,642,721.30/347,112.88
  6. Step 6: Final answer
    x = 268,378.52

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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.