Home / 284,257.20-426,346.96-84,608.40

Finding the Fourth Proportional to 284,257.20, 426,346.96 and 84,608.40

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Solution

The fourth proportional to 284,257.20, 426,346.96 and 84,608.40 is: 126,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,257.20 : 426,346.96 = 84,608.40 : x
  2. Step 2: Convert to fraction form
    284,257.20/426,346.96 = 84,608.40/x
  3. Step 3: Cross multiply
    284,257.20x = 426,346.96 × 84,608.40
  4. Step 4: Simplify right side
    284,257.20x = 36,072,534,130.46
  5. Step 5: Solve for x
    x = 36,072,534,130.46/284,257.20
  6. Step 6: Final answer
    x = 126,901.04

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1.5x scale

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.