Home / 224,619.15-309,972.04-122,644.29

Finding the Fourth Proportional to 224,619.15, 309,972.04 and 122,644.29

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Solution

The fourth proportional to 224,619.15, 309,972.04 and 122,644.29 is: 169,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,619.15 : 309,972.04 = 122,644.29 : x
  2. Step 2: Convert to fraction form
    224,619.15/309,972.04 = 122,644.29/x
  3. Step 3: Cross multiply
    224,619.15x = 309,972.04 × 122,644.29
  4. Step 4: Simplify right side
    224,619.15x = 38,016,299,990.72
  5. Step 5: Solve for x
    x = 38,016,299,990.72/224,619.15
  6. Step 6: Final answer
    x = 169,247.82

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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.