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Finding the Fourth Proportional to 305,736, 458,435.61 and 163,747.68

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Solution

The fourth proportional to 305,736, 458,435.61 and 163,747.68 is: 245,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,736 : 458,435.61 = 163,747.68 : x
  2. Step 2: Convert to fraction form
    305,736/458,435.61 = 163,747.68/x
  3. Step 3: Cross multiply
    305,736x = 458,435.61 × 163,747.68
  4. Step 4: Simplify right side
    305,736x = 75,067,767,566.88
  5. Step 5: Solve for x
    x = 75,067,767,566.88/305,736
  6. Step 6: Final answer
    x = 245,531.33

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1.5x scale

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.