Home / 300,319.07-414,260.12-198,344.72

Finding the Fourth Proportional to 300,319.07, 414,260.12 and 198,344.72

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Solution

The fourth proportional to 300,319.07, 414,260.12 and 198,344.72 is: 273,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,319.07 : 414,260.12 = 198,344.72 : x
  2. Step 2: Convert to fraction form
    300,319.07/414,260.12 = 198,344.72/x
  3. Step 3: Cross multiply
    300,319.07x = 414,260.12 × 198,344.72
  4. Step 4: Simplify right side
    300,319.07x = 82,166,304,445.54
  5. Step 5: Solve for x
    x = 82,166,304,445.54/300,319.07
  6. Step 6: Final answer
    x = 273,596.70

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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.