Home / 281,819.35-388,902.65-160,958.14

Finding the Fourth Proportional to 281,819.35, 388,902.65 and 160,958.14

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Solution

The fourth proportional to 281,819.35, 388,902.65 and 160,958.14 is: 222,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,819.35 : 388,902.65 = 160,958.14 : x
  2. Step 2: Convert to fraction form
    281,819.35/388,902.65 = 160,958.14/x
  3. Step 3: Cross multiply
    281,819.35x = 388,902.65 × 160,958.14
  4. Step 4: Simplify right side
    281,819.35x = 62,597,046,615.21
  5. Step 5: Solve for x
    x = 62,597,046,615.21/281,819.35
  6. Step 6: Final answer
    x = 222,117.63

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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.