Home / 259,036.26-388,536.54-159,211.86

Finding the Fourth Proportional to 259,036.26, 388,536.54 and 159,211.86

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Solution

The fourth proportional to 259,036.26, 388,536.54 and 159,211.86 is: 238,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,036.26 : 388,536.54 = 159,211.86 : x
  2. Step 2: Convert to fraction form
    259,036.26/388,536.54 = 159,211.86/x
  3. Step 3: Cross multiply
    259,036.26x = 388,536.54 × 159,211.86
  4. Step 4: Simplify right side
    259,036.26x = 61,859,625,211.36
  5. Step 5: Solve for x
    x = 61,859,625,211.36/259,036.26
  6. Step 6: Final answer
    x = 238,806.82

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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.