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Finding the Fourth Proportional to 266,622.75, 400,081.74 and 159,744.06

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Solution

The fourth proportional to 266,622.75, 400,081.74 and 159,744.06 is: 239,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,622.75 : 400,081.74 = 159,744.06 : x
  2. Step 2: Convert to fraction form
    266,622.75/400,081.74 = 159,744.06/x
  3. Step 3: Cross multiply
    266,622.75x = 400,081.74 × 159,744.06
  4. Step 4: Simplify right side
    266,622.75x = 63,910,681,479.46
  5. Step 5: Solve for x
    x = 63,910,681,479.46/266,622.75
  6. Step 6: Final answer
    x = 239,704.53

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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.