Home / 302,872.26-454,273.22-78,215.03

Finding the Fourth Proportional to 302,872.26, 454,273.22 and 78,215.03

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Solution

The fourth proportional to 302,872.26, 454,273.22 and 78,215.03 is: 117,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,872.26 : 454,273.22 = 78,215.03 : x
  2. Step 2: Convert to fraction form
    302,872.26/454,273.22 = 78,215.03/x
  3. Step 3: Cross multiply
    302,872.26x = 454,273.22 × 78,215.03
  4. Step 4: Simplify right side
    302,872.26x = 35,530,993,139.42
  5. Step 5: Solve for x
    x = 35,530,993,139.42/302,872.26
  6. Step 6: Final answer
    x = 117,313.46

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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.