Home / 302,861.28-417,942.96-166,907.82

Finding the Fourth Proportional to 302,861.28, 417,942.96 and 166,907.82

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Solution

The fourth proportional to 302,861.28, 417,942.96 and 166,907.82 is: 230,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,861.28 : 417,942.96 = 166,907.82 : x
  2. Step 2: Convert to fraction form
    302,861.28/417,942.96 = 166,907.82/x
  3. Step 3: Cross multiply
    302,861.28x = 417,942.96 × 166,907.82
  4. Step 4: Simplify right side
    302,861.28x = 69,757,948,337.95
  5. Step 5: Solve for x
    x = 69,757,948,337.95/302,861.28
  6. Step 6: Final answer
    x = 230,329.70

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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.