Home / 302,939.28-454,410-92,576.36

Finding the Fourth Proportional to 302,939.28, 454,410 and 92,576.36

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Solution

The fourth proportional to 302,939.28, 454,410 and 92,576.36 is: 138,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,939.28 : 454,410 = 92,576.36 : x
  2. Step 2: Convert to fraction form
    302,939.28/454,410 = 92,576.36/x
  3. Step 3: Cross multiply
    302,939.28x = 454,410 × 92,576.36
  4. Step 4: Simplify right side
    302,939.28x = 42,067,623,747.60
  5. Step 5: Solve for x
    x = 42,067,623,747.60/302,939.28
  6. Step 6: Final answer
    x = 138,864.87

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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.