Home / 259,004.98-388,560.17-109,245.80

Finding the Fourth Proportional to 259,004.98, 388,560.17 and 109,245.80

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Solution

The fourth proportional to 259,004.98, 388,560.17 and 109,245.80 is: 163,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,004.98 : 388,560.17 = 109,245.80 : x
  2. Step 2: Convert to fraction form
    259,004.98/388,560.17 = 109,245.80/x
  3. Step 3: Cross multiply
    259,004.98x = 388,560.17 × 109,245.80
  4. Step 4: Simplify right side
    259,004.98x = 42,448,566,619.79
  5. Step 5: Solve for x
    x = 42,448,566,619.79/259,004.98
  6. Step 6: Final answer
    x = 163,890.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.