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Finding the Fourth Proportional to 266,713.56, 400,227.48 and 98,352.36

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Solution

The fourth proportional to 266,713.56, 400,227.48 and 98,352.36 is: 147,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,713.56 : 400,227.48 = 98,352.36 : x
  2. Step 2: Convert to fraction form
    266,713.56/400,227.48 = 98,352.36/x
  3. Step 3: Cross multiply
    266,713.56x = 400,227.48 × 98,352.36
  4. Step 4: Simplify right side
    266,713.56x = 39,363,317,194.85
  5. Step 5: Solve for x
    x = 39,363,317,194.85/266,713.56
  6. Step 6: Final answer
    x = 147,586.49

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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.