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Finding the Fourth Proportional to 284,861.88, 392,209.56 and 250,847.28

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Solution

The fourth proportional to 284,861.88, 392,209.56 and 250,847.28 is: 345,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,861.88 : 392,209.56 = 250,847.28 : x
  2. Step 2: Convert to fraction form
    284,861.88/392,209.56 = 250,847.28/x
  3. Step 3: Cross multiply
    284,861.88x = 392,209.56 × 250,847.28
  4. Step 4: Simplify right side
    284,861.88x = 98,384,701,316.00
  5. Step 5: Solve for x
    x = 98,384,701,316.00/284,861.88
  6. Step 6: Final answer
    x = 345,376.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.