Home / 274,260.22-378,514.16-153,408.22

Finding the Fourth Proportional to 274,260.22, 378,514.16 and 153,408.22

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Solution

The fourth proportional to 274,260.22, 378,514.16 and 153,408.22 is: 211,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,260.22 : 378,514.16 = 153,408.22 : x
  2. Step 2: Convert to fraction form
    274,260.22/378,514.16 = 153,408.22/x
  3. Step 3: Cross multiply
    274,260.22x = 378,514.16 × 153,408.22
  4. Step 4: Simplify right side
    274,260.22x = 58,067,182,763.35
  5. Step 5: Solve for x
    x = 58,067,182,763.35/274,260.22
  6. Step 6: Final answer
    x = 211,722.95

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1.5x scale

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.