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Finding the Fourth Proportional to 224,357.84, 336,463.98 and 74,557.88

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Solution

The fourth proportional to 224,357.84, 336,463.98 and 74,557.88 is: 111,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,357.84 : 336,463.98 = 74,557.88 : x
  2. Step 2: Convert to fraction form
    224,357.84/336,463.98 = 74,557.88/x
  3. Step 3: Cross multiply
    224,357.84x = 336,463.98 × 74,557.88
  4. Step 4: Simplify right side
    224,357.84x = 25,086,041,045.16
  5. Step 5: Solve for x
    x = 25,086,041,045.16/224,357.84
  6. Step 6: Final answer
    x = 111,812.63

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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.