Home / 284,179.26-426,339.54-84,499.35

Finding the Fourth Proportional to 284,179.26, 426,339.54 and 84,499.35

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Solution

The fourth proportional to 284,179.26, 426,339.54 and 84,499.35 is: 126,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,179.26 : 426,339.54 = 84,499.35 : x
  2. Step 2: Convert to fraction form
    284,179.26/426,339.54 = 84,499.35/x
  3. Step 3: Cross multiply
    284,179.26x = 426,339.54 × 84,499.35
  4. Step 4: Simplify right side
    284,179.26x = 36,025,414,009.30
  5. Step 5: Solve for x
    x = 36,025,414,009.30/284,179.26
  6. Step 6: Final answer
    x = 126,770.03

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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.