Home / 281,836.80-388,728.72-179,932.32

Finding the Fourth Proportional to 281,836.80, 388,728.72 and 179,932.32

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Solution

The fourth proportional to 281,836.80, 388,728.72 and 179,932.32 is: 248,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,836.80 : 388,728.72 = 179,932.32 : x
  2. Step 2: Convert to fraction form
    281,836.80/388,728.72 = 179,932.32/x
  3. Step 3: Cross multiply
    281,836.80x = 388,728.72 × 179,932.32
  4. Step 4: Simplify right side
    281,836.80x = 69,944,860,440.23
  5. Step 5: Solve for x
    x = 69,944,860,440.23/281,836.80
  6. Step 6: Final answer
    x = 248,175.04

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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.