Home / 338,722.48-467,421.20-195,528.66

Finding the Fourth Proportional to 338,722.48, 467,421.20 and 195,528.66

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Solution

The fourth proportional to 338,722.48, 467,421.20 and 195,528.66 is: 269,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,722.48 : 467,421.20 = 195,528.66 : x
  2. Step 2: Convert to fraction form
    338,722.48/467,421.20 = 195,528.66/x
  3. Step 3: Cross multiply
    338,722.48x = 467,421.20 × 195,528.66
  4. Step 4: Simplify right side
    338,722.48x = 91,394,240,891.59
  5. Step 5: Solve for x
    x = 91,394,240,891.59/338,722.48
  6. Step 6: Final answer
    x = 269,820.42

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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.