Home / 351,780.24-527,744.28-115,104.48

Finding the Fourth Proportional to 351,780.24, 527,744.28 and 115,104.48

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Solution

The fourth proportional to 351,780.24, 527,744.28 and 115,104.48 is: 172,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,780.24 : 527,744.28 = 115,104.48 : x
  2. Step 2: Convert to fraction form
    351,780.24/527,744.28 = 115,104.48/x
  3. Step 3: Cross multiply
    351,780.24x = 527,744.28 × 115,104.48
  4. Step 4: Simplify right side
    351,780.24x = 60,745,730,922.37
  5. Step 5: Solve for x
    x = 60,745,730,922.37/351,780.24
  6. Step 6: Final answer
    x = 172,680.91

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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.