Home / 284,928.68-427,381.14-74,561.96

Finding the Fourth Proportional to 284,928.68, 427,381.14 and 74,561.96

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Solution

The fourth proportional to 284,928.68, 427,381.14 and 74,561.96 is: 111,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,928.68 : 427,381.14 = 74,561.96 : x
  2. Step 2: Convert to fraction form
    284,928.68/427,381.14 = 74,561.96/x
  3. Step 3: Cross multiply
    284,928.68x = 427,381.14 × 74,561.96
  4. Step 4: Simplify right side
    284,928.68x = 31,866,375,465.43
  5. Step 5: Solve for x
    x = 31,866,375,465.43/284,928.68
  6. Step 6: Final answer
    x = 111,839.83

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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.