Home / 281,469.20-388,472.83-160,615.58

Finding the Fourth Proportional to 281,469.20, 388,472.83 and 160,615.58

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Solution

The fourth proportional to 281,469.20, 388,472.83 and 160,615.58 is: 221,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,469.20 : 388,472.83 = 160,615.58 : x
  2. Step 2: Convert to fraction form
    281,469.20/388,472.83 = 160,615.58/x
  3. Step 3: Cross multiply
    281,469.20x = 388,472.83 × 160,615.58
  4. Step 4: Simplify right side
    281,469.20x = 62,394,786,560.79
  5. Step 5: Solve for x
    x = 62,394,786,560.79/281,469.20
  6. Step 6: Final answer
    x = 221,675.37

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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.