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Finding the Fourth Proportional to 224,356.89, 336,538.26 and 74,597.18

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Solution

The fourth proportional to 224,356.89, 336,538.26 and 74,597.18 is: 111,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,356.89 : 336,538.26 = 74,597.18 : x
  2. Step 2: Convert to fraction form
    224,356.89/336,538.26 = 74,597.18/x
  3. Step 3: Cross multiply
    224,356.89x = 336,538.26 × 74,597.18
  4. Step 4: Simplify right side
    224,356.89x = 25,104,803,475.42
  5. Step 5: Solve for x
    x = 25,104,803,475.42/224,356.89
  6. Step 6: Final answer
    x = 111,896.74

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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.