Home / 302,999.20-418,170-182,179.84

Finding the Fourth Proportional to 302,999.20, 418,170 and 182,179.84

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Solution

The fourth proportional to 302,999.20, 418,170 and 182,179.84 is: 251,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,999.20 : 418,170 = 182,179.84 : x
  2. Step 2: Convert to fraction form
    302,999.20/418,170 = 182,179.84/x
  3. Step 3: Cross multiply
    302,999.20x = 418,170 × 182,179.84
  4. Step 4: Simplify right side
    302,999.20x = 76,182,143,692.80
  5. Step 5: Solve for x
    x = 76,182,143,692.80/302,999.20
  6. Step 6: Final answer
    x = 251,426.88

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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.