Home / 215,177.28-321,897.60-192,769.44

Finding the Fourth Proportional to 215,177.28, 321,897.60 and 192,769.44

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Solution

The fourth proportional to 215,177.28, 321,897.60 and 192,769.44 is: 288,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,177.28 : 321,897.60 = 192,769.44 : x
  2. Step 2: Convert to fraction form
    215,177.28/321,897.60 = 192,769.44/x
  3. Step 3: Cross multiply
    215,177.28x = 321,897.60 × 192,769.44
  4. Step 4: Simplify right side
    215,177.28x = 62,052,020,089.34
  5. Step 5: Solve for x
    x = 62,052,020,089.34/215,177.28
  6. Step 6: Final answer
    x = 288,376.26

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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.