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Finding the Fourth Proportional to 223,230, 334,560.24 and 104,640.06

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Solution

The fourth proportional to 223,230, 334,560.24 and 104,640.06 is: 156,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,230 : 334,560.24 = 104,640.06 : x
  2. Step 2: Convert to fraction form
    223,230/334,560.24 = 104,640.06/x
  3. Step 3: Cross multiply
    223,230x = 334,560.24 × 104,640.06
  4. Step 4: Simplify right side
    223,230x = 35,008,403,587.21
  5. Step 5: Solve for x
    x = 35,008,403,587.21/223,230
  6. Step 6: Final answer
    x = 156,826.61

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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.