Home / 284,179.20-426,111.84-178,772.64

Finding the Fourth Proportional to 284,179.20, 426,111.84 and 178,772.64

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Solution

The fourth proportional to 284,179.20, 426,111.84 and 178,772.64 is: 268,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,179.20 : 426,111.84 = 178,772.64 : x
  2. Step 2: Convert to fraction form
    284,179.20/426,111.84 = 178,772.64/x
  3. Step 3: Cross multiply
    284,179.20x = 426,111.84 × 178,772.64
  4. Step 4: Simplify right side
    284,179.20x = 76,177,138,572.06
  5. Step 5: Solve for x
    x = 76,177,138,572.06/284,179.20
  6. Step 6: Final answer
    x = 268,060.22

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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.