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Finding the Fourth Proportional to 266,628.25, 400,089.99 and 159,749.56

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Solution

The fourth proportional to 266,628.25, 400,089.99 and 159,749.56 is: 239,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,628.25 : 400,089.99 = 159,749.56 : x
  2. Step 2: Convert to fraction form
    266,628.25/400,089.99 = 159,749.56/x
  3. Step 3: Cross multiply
    266,628.25x = 400,089.99 × 159,749.56
  4. Step 4: Simplify right side
    266,628.25x = 63,914,199,862.90
  5. Step 5: Solve for x
    x = 63,914,199,862.90/266,628.25
  6. Step 6: Final answer
    x = 239,712.78

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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.