Home / 220,512.06-304,393.19-156,316.84

Finding the Fourth Proportional to 220,512.06, 304,393.19 and 156,316.84

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Solution

The fourth proportional to 220,512.06, 304,393.19 and 156,316.84 is: 215,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,512.06 : 304,393.19 = 156,316.84 : x
  2. Step 2: Convert to fraction form
    220,512.06/304,393.19 = 156,316.84/x
  3. Step 3: Cross multiply
    220,512.06x = 304,393.19 × 156,316.84
  4. Step 4: Simplify right side
    220,512.06x = 47,581,780,035.75
  5. Step 5: Solve for x
    x = 47,581,780,035.75/220,512.06
  6. Step 6: Final answer
    x = 215,778.58

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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.