Home / 331,154.44-496,432.16-120,743.17

Finding the Fourth Proportional to 331,154.44, 496,432.16 and 120,743.17

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Solution

The fourth proportional to 331,154.44, 496,432.16 and 120,743.17 is: 181,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,154.44 : 496,432.16 = 120,743.17 : x
  2. Step 2: Convert to fraction form
    331,154.44/496,432.16 = 120,743.17/x
  3. Step 3: Cross multiply
    331,154.44x = 496,432.16 × 120,743.17
  4. Step 4: Simplify right side
    331,154.44x = 59,940,789,602.47
  5. Step 5: Solve for x
    x = 59,940,789,602.47/331,154.44
  6. Step 6: Final answer
    x = 181,005.55

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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.