Home / 284,100.48-426,250.08-126,313.92

Finding the Fourth Proportional to 284,100.48, 426,250.08 and 126,313.92

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Solution

The fourth proportional to 284,100.48, 426,250.08 and 126,313.92 is: 189,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,100.48 : 426,250.08 = 126,313.92 : x
  2. Step 2: Convert to fraction form
    284,100.48/426,250.08 = 126,313.92/x
  3. Step 3: Cross multiply
    284,100.48x = 426,250.08 × 126,313.92
  4. Step 4: Simplify right side
    284,100.48x = 53,841,318,505.11
  5. Step 5: Solve for x
    x = 53,841,318,505.11/284,100.48
  6. Step 6: Final answer
    x = 189,515.06

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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.