Home / 220,731.28-304,600.20-125,235.92

Finding the Fourth Proportional to 220,731.28, 304,600.20 and 125,235.92

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Solution

The fourth proportional to 220,731.28, 304,600.20 and 125,235.92 is: 172,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,731.28 : 304,600.20 = 125,235.92 : x
  2. Step 2: Convert to fraction form
    220,731.28/304,600.20 = 125,235.92/x
  3. Step 3: Cross multiply
    220,731.28x = 304,600.20 × 125,235.92
  4. Step 4: Simplify right side
    220,731.28x = 38,146,886,571.05
  5. Step 5: Solve for x
    x = 38,146,886,571.05/220,731.28
  6. Step 6: Final answer
    x = 172,820.49

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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.