Home / 305,528.76-458,016.12-165,123.36

Finding the Fourth Proportional to 305,528.76, 458,016.12 and 165,123.36

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Solution

The fourth proportional to 305,528.76, 458,016.12 and 165,123.36 is: 247,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,528.76 : 458,016.12 = 165,123.36 : x
  2. Step 2: Convert to fraction form
    305,528.76/458,016.12 = 165,123.36/x
  3. Step 3: Cross multiply
    305,528.76x = 458,016.12 × 165,123.36
  4. Step 4: Simplify right side
    305,528.76x = 75,629,160,668.56
  5. Step 5: Solve for x
    x = 75,629,160,668.56/305,528.76
  6. Step 6: Final answer
    x = 247,535.32

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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.