Home / 281,346.12-388,288.62-179,375.28

Finding the Fourth Proportional to 281,346.12, 388,288.62 and 179,375.28

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Solution

The fourth proportional to 281,346.12, 388,288.62 and 179,375.28 is: 247,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,346.12 : 388,288.62 = 179,375.28 : x
  2. Step 2: Convert to fraction form
    281,346.12/388,288.62 = 179,375.28/x
  3. Step 3: Cross multiply
    281,346.12x = 388,288.62 × 179,375.28
  4. Step 4: Simplify right side
    281,346.12x = 69,649,379,933.31
  5. Step 5: Solve for x
    x = 69,649,379,933.31/281,346.12
  6. Step 6: Final answer
    x = 247,557.63

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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.