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Finding the Fourth Proportional to 223,120.80, 334,377.12 and 123,132

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Solution

The fourth proportional to 223,120.80, 334,377.12 and 123,132 is: 184,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,120.80 : 334,377.12 = 123,132 : x
  2. Step 2: Convert to fraction form
    223,120.80/334,377.12 = 123,132/x
  3. Step 3: Cross multiply
    223,120.80x = 334,377.12 × 123,132
  4. Step 4: Simplify right side
    223,120.80x = 41,172,523,539.84
  5. Step 5: Solve for x
    x = 41,172,523,539.84/223,120.80
  6. Step 6: Final answer
    x = 184,530.19

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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.