Home / 281,819.20-388,913.66-160,976.52

Finding the Fourth Proportional to 281,819.20, 388,913.66 and 160,976.52

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Solution

The fourth proportional to 281,819.20, 388,913.66 and 160,976.52 is: 222,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,819.20 : 388,913.66 = 160,976.52 : x
  2. Step 2: Convert to fraction form
    281,819.20/388,913.66 = 160,976.52/x
  3. Step 3: Cross multiply
    281,819.20x = 388,913.66 × 160,976.52
  4. Step 4: Simplify right side
    281,819.20x = 62,605,967,567.26
  5. Step 5: Solve for x
    x = 62,605,967,567.26/281,819.20
  6. Step 6: Final answer
    x = 222,149.40

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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.