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Finding the Fourth Proportional to 302,414.72, 453,689.78 and 92,069.06

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Solution

The fourth proportional to 302,414.72, 453,689.78 and 92,069.06 is: 138,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,414.72 : 453,689.78 = 92,069.06 : x
  2. Step 2: Convert to fraction form
    302,414.72/453,689.78 = 92,069.06/x
  3. Step 3: Cross multiply
    302,414.72x = 453,689.78 × 92,069.06
  4. Step 4: Simplify right side
    302,414.72x = 41,770,788,847.41
  5. Step 5: Solve for x
    x = 41,770,788,847.41/302,414.72
  6. Step 6: Final answer
    x = 138,124.19

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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.