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Finding the Fourth Proportional to 149,910.40, 224,836.80 and 44,732.80

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Solution

The fourth proportional to 149,910.40, 224,836.80 and 44,732.80 is: 67,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,910.40 : 224,836.80 = 44,732.80 : x
  2. Step 2: Convert to fraction form
    149,910.40/224,836.80 = 44,732.80/x
  3. Step 3: Cross multiply
    149,910.40x = 224,836.80 × 44,732.80
  4. Step 4: Simplify right side
    149,910.40x = 10,057,579,607.04
  5. Step 5: Solve for x
    x = 10,057,579,607.04/149,910.40
  6. Step 6: Final answer
    x = 67,090.61

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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.