Home / 284,513.14-426,770.03-74,150.90

Finding the Fourth Proportional to 284,513.14, 426,770.03 and 74,150.90

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Solution

The fourth proportional to 284,513.14, 426,770.03 and 74,150.90 is: 111,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,513.14 : 426,770.03 = 74,150.90 : x
  2. Step 2: Convert to fraction form
    284,513.14/426,770.03 = 74,150.90/x
  3. Step 3: Cross multiply
    284,513.14x = 426,770.03 × 74,150.90
  4. Step 4: Simplify right side
    284,513.14x = 31,645,381,817.53
  5. Step 5: Solve for x
    x = 31,645,381,817.53/284,513.14
  6. Step 6: Final answer
    x = 111,226.43

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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.