Home / 379,760.23-569,920.70-180,081.29

Finding the Fourth Proportional to 379,760.23, 569,920.70 and 180,081.29

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Solution

The fourth proportional to 379,760.23, 569,920.70 and 180,081.29 is: 270,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,760.23 : 569,920.70 = 180,081.29 : x
  2. Step 2: Convert to fraction form
    379,760.23/569,920.70 = 180,081.29/x
  3. Step 3: Cross multiply
    379,760.23x = 569,920.70 × 180,081.29
  4. Step 4: Simplify right side
    379,760.23x = 102,632,052,454.30
  5. Step 5: Solve for x
    x = 102,632,052,454.30/379,760.23
  6. Step 6: Final answer
    x = 270,254.87

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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.