Home / 300,481.92-414,685.04-173,165.72

Finding the Fourth Proportional to 300,481.92, 414,685.04 and 173,165.72

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Solution

The fourth proportional to 300,481.92, 414,685.04 and 173,165.72 is: 238,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,481.92 : 414,685.04 = 173,165.72 : x
  2. Step 2: Convert to fraction form
    300,481.92/414,685.04 = 173,165.72/x
  3. Step 3: Cross multiply
    300,481.92x = 414,685.04 × 173,165.72
  4. Step 4: Simplify right side
    300,481.92x = 71,809,230,585.58
  5. Step 5: Solve for x
    x = 71,809,230,585.58/300,481.92
  6. Step 6: Final answer
    x = 238,980.20

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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.