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Finding the Fourth Proportional to 234,675.12, 323,827.68 and 144,034.88

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Solution

The fourth proportional to 234,675.12, 323,827.68 and 144,034.88 is: 198,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,675.12 : 323,827.68 = 144,034.88 : x
  2. Step 2: Convert to fraction form
    234,675.12/323,827.68 = 144,034.88/x
  3. Step 3: Cross multiply
    234,675.12x = 323,827.68 × 144,034.88
  4. Step 4: Simplify right side
    234,675.12x = 46,642,481,029.48
  5. Step 5: Solve for x
    x = 46,642,481,029.48/234,675.12
  6. Step 6: Final answer
    x = 198,753.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.