Home / 284,258.20-426,348.46-84,609.40

Finding the Fourth Proportional to 284,258.20, 426,348.46 and 84,609.40

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Solution

The fourth proportional to 284,258.20, 426,348.46 and 84,609.40 is: 126,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,258.20 : 426,348.46 = 84,609.40 : x
  2. Step 2: Convert to fraction form
    284,258.20/426,348.46 = 84,609.40/x
  3. Step 3: Cross multiply
    284,258.20x = 426,348.46 × 84,609.40
  4. Step 4: Simplify right side
    284,258.20x = 36,073,087,391.52
  5. Step 5: Solve for x
    x = 36,073,087,391.52/284,258.20
  6. Step 6: Final answer
    x = 126,902.54

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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.