Home / 302,882.77-417,981.11-166,921.71

Finding the Fourth Proportional to 302,882.77, 417,981.11 and 166,921.71

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Solution

The fourth proportional to 302,882.77, 417,981.11 and 166,921.71 is: 230,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,882.77 : 417,981.11 = 166,921.71 : x
  2. Step 2: Convert to fraction form
    302,882.77/417,981.11 = 166,921.71/x
  3. Step 3: Cross multiply
    302,882.77x = 417,981.11 × 166,921.71
  4. Step 4: Simplify right side
    302,882.77x = 69,770,121,628.90
  5. Step 5: Solve for x
    x = 69,770,121,628.90/302,882.77
  6. Step 6: Final answer
    x = 230,353.55

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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.