Home / 224,679.71-336,982.89-74,921.24

Finding the Fourth Proportional to 224,679.71, 336,982.89 and 74,921.24

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Solution

The fourth proportional to 224,679.71, 336,982.89 and 74,921.24 is: 112,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,679.71 : 336,982.89 = 74,921.24 : x
  2. Step 2: Convert to fraction form
    224,679.71/336,982.89 = 74,921.24/x
  3. Step 3: Cross multiply
    224,679.71x = 336,982.89 × 74,921.24
  4. Step 4: Simplify right side
    224,679.71x = 25,247,175,977.58
  5. Step 5: Solve for x
    x = 25,247,175,977.58/224,679.71
  6. Step 6: Final answer
    x = 112,369.63

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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.