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Finding the Fourth Proportional to 224,753.55, 337,133.25 and 74,993.84

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Solution

The fourth proportional to 224,753.55, 337,133.25 and 74,993.84 is: 112,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,753.55 : 337,133.25 = 74,993.84 : x
  2. Step 2: Convert to fraction form
    224,753.55/337,133.25 = 74,993.84/x
  3. Step 3: Cross multiply
    224,753.55x = 337,133.25 × 74,993.84
  4. Step 4: Simplify right side
    224,753.55x = 25,282,917,852.01
  5. Step 5: Solve for x
    x = 25,282,917,852.01/224,753.55
  6. Step 6: Final answer
    x = 112,491.74

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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.