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Finding the Fourth Proportional to 284,037.53, 425,817.72 and 123,991.70

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Solution

The fourth proportional to 284,037.53, 425,817.72 and 123,991.70 is: 185,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,037.53 : 425,817.72 = 123,991.70 : x
  2. Step 2: Convert to fraction form
    284,037.53/425,817.72 = 123,991.70/x
  3. Step 3: Cross multiply
    284,037.53x = 425,817.72 × 123,991.70
  4. Step 4: Simplify right side
    284,037.53x = 52,797,860,863.84
  5. Step 5: Solve for x
    x = 52,797,860,863.84/284,037.53
  6. Step 6: Final answer
    x = 185,883.40

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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.