Home / 306,974.70-460,511.26-129,507.85

Finding the Fourth Proportional to 306,974.70, 460,511.26 and 129,507.85

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Solution

The fourth proportional to 306,974.70, 460,511.26 and 129,507.85 is: 194,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,974.70 : 460,511.26 = 129,507.85 : x
  2. Step 2: Convert to fraction form
    306,974.70/460,511.26 = 129,507.85/x
  3. Step 3: Cross multiply
    306,974.70x = 460,511.26 × 129,507.85
  4. Step 4: Simplify right side
    306,974.70x = 59,639,823,183.39
  5. Step 5: Solve for x
    x = 59,639,823,183.39/306,974.70
  6. Step 6: Final answer
    x = 194,282.54

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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.