Home / 305,269.39-457,973.84-105,589.61

Finding the Fourth Proportional to 305,269.39, 457,973.84 and 105,589.61

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Solution

The fourth proportional to 305,269.39, 457,973.84 and 105,589.61 is: 158,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,269.39 : 457,973.84 = 105,589.61 : x
  2. Step 2: Convert to fraction form
    305,269.39/457,973.84 = 105,589.61/x
  3. Step 3: Cross multiply
    305,269.39x = 457,973.84 × 105,589.61
  4. Step 4: Simplify right side
    305,269.39x = 48,357,278,847.31
  5. Step 5: Solve for x
    x = 48,357,278,847.31/305,269.39
  6. Step 6: Final answer
    x = 158,408.54

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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.