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Finding the Fourth Proportional to 224,559.33, 336,546.49 and 91,283.91

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Solution

The fourth proportional to 224,559.33, 336,546.49 and 91,283.91 is: 136,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,559.33 : 336,546.49 = 91,283.91 : x
  2. Step 2: Convert to fraction form
    224,559.33/336,546.49 = 91,283.91/x
  3. Step 3: Cross multiply
    224,559.33x = 336,546.49 × 91,283.91
  4. Step 4: Simplify right side
    224,559.33x = 30,721,279,503.98
  5. Step 5: Solve for x
    x = 30,721,279,503.98/224,559.33
  6. Step 6: Final answer
    x = 136,806.96

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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.