Home / 302,942.28-454,414.50-92,579.34

Finding the Fourth Proportional to 302,942.28, 454,414.50 and 92,579.34

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Solution

The fourth proportional to 302,942.28, 454,414.50 and 92,579.34 is: 138,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,942.28 : 454,414.50 = 92,579.34 : x
  2. Step 2: Convert to fraction form
    302,942.28/454,414.50 = 92,579.34/x
  3. Step 3: Cross multiply
    302,942.28x = 454,414.50 × 92,579.34
  4. Step 4: Simplify right side
    302,942.28x = 42,069,394,496.43
  5. Step 5: Solve for x
    x = 42,069,394,496.43/302,942.28
  6. Step 6: Final answer
    x = 138,869.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.