Home / 305,834.82-458,760.33-180,357.72

Finding the Fourth Proportional to 305,834.82, 458,760.33 and 180,357.72

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Solution

The fourth proportional to 305,834.82, 458,760.33 and 180,357.72 is: 270,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,834.82 : 458,760.33 = 180,357.72 : x
  2. Step 2: Convert to fraction form
    305,834.82/458,760.33 = 180,357.72/x
  3. Step 3: Cross multiply
    305,834.82x = 458,760.33 × 180,357.72
  4. Step 4: Simplify right side
    305,834.82x = 82,740,967,145.25
  5. Step 5: Solve for x
    x = 82,740,967,145.25/305,834.82
  6. Step 6: Final answer
    x = 270,541.36

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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.