Home / 443,067.20-664,600.80-218,535.20

Finding the Fourth Proportional to 443,067.20, 664,600.80 and 218,535.20

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Solution

The fourth proportional to 443,067.20, 664,600.80 and 218,535.20 is: 327,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,067.20 : 664,600.80 = 218,535.20 : x
  2. Step 2: Convert to fraction form
    443,067.20/664,600.80 = 218,535.20/x
  3. Step 3: Cross multiply
    443,067.20x = 664,600.80 × 218,535.20
  4. Step 4: Simplify right side
    443,067.20x = 145,238,668,748.16
  5. Step 5: Solve for x
    x = 145,238,668,748.16/443,067.20
  6. Step 6: Final answer
    x = 327,802.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.