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Finding the Fourth Proportional to 302,092.58, 453,138.84 and 143,841.26

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Solution

The fourth proportional to 302,092.58, 453,138.84 and 143,841.26 is: 215,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,092.58 : 453,138.84 = 143,841.26 : x
  2. Step 2: Convert to fraction form
    302,092.58/453,138.84 = 143,841.26/x
  3. Step 3: Cross multiply
    302,092.58x = 453,138.84 × 143,841.26
  4. Step 4: Simplify right side
    302,092.58x = 65,180,059,434.84
  5. Step 5: Solve for x
    x = 65,180,059,434.84/302,092.58
  6. Step 6: Final answer
    x = 215,761.87

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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.