Home / 449,083.20-619,734.08-247,879.04

Finding the Fourth Proportional to 449,083.20, 619,734.08 and 247,879.04

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Solution

The fourth proportional to 449,083.20, 619,734.08 and 247,879.04 is: 342,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,083.20 : 619,734.08 = 247,879.04 : x
  2. Step 2: Convert to fraction form
    449,083.20/619,734.08 = 247,879.04/x
  3. Step 3: Cross multiply
    449,083.20x = 619,734.08 × 247,879.04
  4. Step 4: Simplify right side
    449,083.20x = 153,619,088,805.68
  5. Step 5: Solve for x
    x = 153,619,088,805.68/449,083.20
  6. Step 6: Final answer
    x = 342,072.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.