Home / 330,279.93-455,778.56-194,322.65

Finding the Fourth Proportional to 330,279.93, 455,778.56 and 194,322.65

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Solution

The fourth proportional to 330,279.93, 455,778.56 and 194,322.65 is: 268,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,279.93 : 455,778.56 = 194,322.65 : x
  2. Step 2: Convert to fraction form
    330,279.93/455,778.56 = 194,322.65/x
  3. Step 3: Cross multiply
    330,279.93x = 455,778.56 × 194,322.65
  4. Step 4: Simplify right side
    330,279.93x = 88,568,095,799.30
  5. Step 5: Solve for x
    x = 88,568,095,799.30/330,279.93
  6. Step 6: Final answer
    x = 268,160.70

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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.