Home / 347,796.12-479,976.48-194,825.10

Finding the Fourth Proportional to 347,796.12, 479,976.48 and 194,825.10

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Solution

The fourth proportional to 347,796.12, 479,976.48 and 194,825.10 is: 268,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,796.12 : 479,976.48 = 194,825.10 : x
  2. Step 2: Convert to fraction form
    347,796.12/479,976.48 = 194,825.10/x
  3. Step 3: Cross multiply
    347,796.12x = 479,976.48 × 194,825.10
  4. Step 4: Simplify right side
    347,796.12x = 93,511,465,713.65
  5. Step 5: Solve for x
    x = 93,511,465,713.65/347,796.12
  6. Step 6: Final answer
    x = 268,868.63

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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.