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Finding the Fourth Proportional to 220,250.52, 330,323.84 and 124,229.06

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Solution

The fourth proportional to 220,250.52, 330,323.84 and 124,229.06 is: 186,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,250.52 : 330,323.84 = 124,229.06 : x
  2. Step 2: Convert to fraction form
    220,250.52/330,323.84 = 124,229.06/x
  3. Step 3: Cross multiply
    220,250.52x = 330,323.84 × 124,229.06
  4. Step 4: Simplify right side
    220,250.52x = 41,035,820,138.79
  5. Step 5: Solve for x
    x = 41,035,820,138.79/220,250.52
  6. Step 6: Final answer
    x = 186,314.29

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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.