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Finding the Fourth Proportional to 302,017.29, 453,375.90 and 162,049.29

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Solution

The fourth proportional to 302,017.29, 453,375.90 and 162,049.29 is: 243,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,017.29 : 453,375.90 = 162,049.29 : x
  2. Step 2: Convert to fraction form
    302,017.29/453,375.90 = 162,049.29/x
  3. Step 3: Cross multiply
    302,017.29x = 453,375.90 × 162,049.29
  4. Step 4: Simplify right side
    302,017.29x = 73,469,242,698.11
  5. Step 5: Solve for x
    x = 73,469,242,698.11/302,017.29
  6. Step 6: Final answer
    x = 243,261.71

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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.