Home / 302,948.32-418,049.66-166,974.78

Finding the Fourth Proportional to 302,948.32, 418,049.66 and 166,974.78

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Solution

The fourth proportional to 302,948.32, 418,049.66 and 166,974.78 is: 230,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,948.32 : 418,049.66 = 166,974.78 : x
  2. Step 2: Convert to fraction form
    302,948.32/418,049.66 = 166,974.78/x
  3. Step 3: Cross multiply
    302,948.32x = 418,049.66 × 166,974.78
  4. Step 4: Simplify right side
    302,948.32x = 69,803,749,172.70
  5. Step 5: Solve for x
    x = 69,803,749,172.70/302,948.32
  6. Step 6: Final answer
    x = 230,414.71

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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.