Home / 281,557.96-388,556.24-160,696.80

Finding the Fourth Proportional to 281,557.96, 388,556.24 and 160,696.80

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Solution

The fourth proportional to 281,557.96, 388,556.24 and 160,696.80 is: 221,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,557.96 : 388,556.24 = 160,696.80 : x
  2. Step 2: Convert to fraction form
    281,557.96/388,556.24 = 160,696.80/x
  3. Step 3: Cross multiply
    281,557.96x = 388,556.24 × 160,696.80
  4. Step 4: Simplify right side
    281,557.96x = 62,439,744,388.03
  5. Step 5: Solve for x
    x = 62,439,744,388.03/281,557.96
  6. Step 6: Final answer
    x = 221,765.15

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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.