Home / 220,417.92-331,223.04-115,314.48

Finding the Fourth Proportional to 220,417.92, 331,223.04 and 115,314.48

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Solution

The fourth proportional to 220,417.92, 331,223.04 and 115,314.48 is: 173,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,417.92 : 331,223.04 = 115,314.48 : x
  2. Step 2: Convert to fraction form
    220,417.92/331,223.04 = 115,314.48/x
  3. Step 3: Cross multiply
    220,417.92x = 331,223.04 × 115,314.48
  4. Step 4: Simplify right side
    220,417.92x = 38,194,812,621.62
  5. Step 5: Solve for x
    x = 38,194,812,621.62/220,417.92
  6. Step 6: Final answer
    x = 173,283.61

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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.