Home / 324,865.58-448,433.20-195,808.66

Finding the Fourth Proportional to 324,865.58, 448,433.20 and 195,808.66

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Solution

The fourth proportional to 324,865.58, 448,433.20 and 195,808.66 is: 270,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,865.58 : 448,433.20 = 195,808.66 : x
  2. Step 2: Convert to fraction form
    324,865.58/448,433.20 = 195,808.66/x
  3. Step 3: Cross multiply
    324,865.58x = 448,433.20 × 195,808.66
  4. Step 4: Simplify right side
    324,865.58x = 87,807,103,115.19
  5. Step 5: Solve for x
    x = 87,807,103,115.19/324,865.58
  6. Step 6: Final answer
    x = 270,287.50

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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.