Home / 259,042.75-388,546.30-159,218.35

Finding the Fourth Proportional to 259,042.75, 388,546.30 and 159,218.35

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Solution

The fourth proportional to 259,042.75, 388,546.30 and 159,218.35 is: 238,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,042.75 : 388,546.30 = 159,218.35 : x
  2. Step 2: Convert to fraction form
    259,042.75/388,546.30 = 159,218.35/x
  3. Step 3: Cross multiply
    259,042.75x = 388,546.30 × 159,218.35
  4. Step 4: Simplify right side
    259,042.75x = 61,863,700,784.61
  5. Step 5: Solve for x
    x = 61,863,700,784.61/259,042.75
  6. Step 6: Final answer
    x = 238,816.57

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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.