Home / 248,305.28-342,669.06-140,879.84

Finding the Fourth Proportional to 248,305.28, 342,669.06 and 140,879.84

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Solution

The fourth proportional to 248,305.28, 342,669.06 and 140,879.84 is: 194,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,305.28 : 342,669.06 = 140,879.84 : x
  2. Step 2: Convert to fraction form
    248,305.28/342,669.06 = 140,879.84/x
  3. Step 3: Cross multiply
    248,305.28x = 342,669.06 × 140,879.84
  4. Step 4: Simplify right side
    248,305.28x = 48,275,162,345.75
  5. Step 5: Solve for x
    x = 48,275,162,345.75/248,305.28
  6. Step 6: Final answer
    x = 194,418.59

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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.