Home / 284,331.28-426,644.58-115,975.12

Finding the Fourth Proportional to 284,331.28, 426,644.58 and 115,975.12

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Solution

The fourth proportional to 284,331.28, 426,644.58 and 115,975.12 is: 174,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,331.28 : 426,644.58 = 115,975.12 : x
  2. Step 2: Convert to fraction form
    284,331.28/426,644.58 = 115,975.12/x
  3. Step 3: Cross multiply
    284,331.28x = 426,644.58 × 115,975.12
  4. Step 4: Simplify right side
    284,331.28x = 49,480,156,362.85
  5. Step 5: Solve for x
    x = 49,480,156,362.85/284,331.28
  6. Step 6: Final answer
    x = 174,022.91

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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.