Home / 215,053.68-322,619.40-88,623.60

Finding the Fourth Proportional to 215,053.68, 322,619.40 and 88,623.60

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Solution

The fourth proportional to 215,053.68, 322,619.40 and 88,623.60 is: 132,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,053.68 : 322,619.40 = 88,623.60 : x
  2. Step 2: Convert to fraction form
    215,053.68/322,619.40 = 88,623.60/x
  3. Step 3: Cross multiply
    215,053.68x = 322,619.40 × 88,623.60
  4. Step 4: Simplify right side
    215,053.68x = 28,591,692,657.84
  5. Step 5: Solve for x
    x = 28,591,692,657.84/215,053.68
  6. Step 6: Final answer
    x = 132,951.42

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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.