Home / 216,524.20-298,791.28-119,722.46

Finding the Fourth Proportional to 216,524.20, 298,791.28 and 119,722.46

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Solution

The fourth proportional to 216,524.20, 298,791.28 and 119,722.46 is: 165,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,524.20 : 298,791.28 = 119,722.46 : x
  2. Step 2: Convert to fraction form
    216,524.20/298,791.28 = 119,722.46/x
  3. Step 3: Cross multiply
    216,524.20x = 298,791.28 × 119,722.46
  4. Step 4: Simplify right side
    216,524.20x = 35,772,025,723.85
  5. Step 5: Solve for x
    x = 35,772,025,723.85/216,524.20
  6. Step 6: Final answer
    x = 165,210.29

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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.