Home / 220,947.60-304,777.44-156,344.16

Finding the Fourth Proportional to 220,947.60, 304,777.44 and 156,344.16

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Solution

The fourth proportional to 220,947.60, 304,777.44 and 156,344.16 is: 215,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,947.60 : 304,777.44 = 156,344.16 : x
  2. Step 2: Convert to fraction form
    220,947.60/304,777.44 = 156,344.16/x
  3. Step 3: Cross multiply
    220,947.60x = 304,777.44 × 156,344.16
  4. Step 4: Simplify right side
    220,947.60x = 47,650,172,843.75
  5. Step 5: Solve for x
    x = 47,650,172,843.75/220,947.60
  6. Step 6: Final answer
    x = 215,662.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.