Home / 289,974.75-400,164.33-160,932.72

Finding the Fourth Proportional to 289,974.75, 400,164.33 and 160,932.72

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Solution

The fourth proportional to 289,974.75, 400,164.33 and 160,932.72 is: 222,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,974.75 : 400,164.33 = 160,932.72 : x
  2. Step 2: Convert to fraction form
    289,974.75/400,164.33 = 160,932.72/x
  3. Step 3: Cross multiply
    289,974.75x = 400,164.33 × 160,932.72
  4. Step 4: Simplify right side
    289,974.75x = 64,399,534,073.88
  5. Step 5: Solve for x
    x = 64,399,534,073.88/289,974.75
  6. Step 6: Final answer
    x = 222,086.70

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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.