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Finding the Fourth Proportional to 305,879.29, 458,865.62 and 156,037.83

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Solution

The fourth proportional to 305,879.29, 458,865.62 and 156,037.83 is: 234,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,879.29 : 458,865.62 = 156,037.83 : x
  2. Step 2: Convert to fraction form
    305,879.29/458,865.62 = 156,037.83/x
  3. Step 3: Cross multiply
    305,879.29x = 458,865.62 × 156,037.83
  4. Step 4: Simplify right side
    305,879.29x = 71,600,394,826.22
  5. Step 5: Solve for x
    x = 71,600,394,826.22/305,879.29
  6. Step 6: Final answer
    x = 234,080.56

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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.