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Finding the Fourth Proportional to 223,262.31, 334,891.80 and 90,140.52

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Solution

The fourth proportional to 223,262.31, 334,891.80 and 90,140.52 is: 135,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,262.31 : 334,891.80 = 90,140.52 : x
  2. Step 2: Convert to fraction form
    223,262.31/334,891.80 = 90,140.52/x
  3. Step 3: Cross multiply
    223,262.31x = 334,891.80 × 90,140.52
  4. Step 4: Simplify right side
    223,262.31x = 30,187,320,995.74
  5. Step 5: Solve for x
    x = 30,187,320,995.74/223,262.31
  6. Step 6: Final answer
    x = 135,210.11

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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.