Home / 342,165.20-472,169.04-189,194.48

Finding the Fourth Proportional to 342,165.20, 472,169.04 and 189,194.48

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Solution

The fourth proportional to 342,165.20, 472,169.04 and 189,194.48 is: 261,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,165.20 : 472,169.04 = 189,194.48 : x
  2. Step 2: Convert to fraction form
    342,165.20/472,169.04 = 189,194.48/x
  3. Step 3: Cross multiply
    342,165.20x = 472,169.04 × 189,194.48
  4. Step 4: Simplify right side
    342,165.20x = 89,331,775,994.90
  5. Step 5: Solve for x
    x = 89,331,775,994.90/342,165.20
  6. Step 6: Final answer
    x = 261,077.91

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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.