Home / 259,743.09-388,914-169,562.46

Finding the Fourth Proportional to 259,743.09, 388,914 and 169,562.46

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Solution

The fourth proportional to 259,743.09, 388,914 and 169,562.46 is: 253,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,743.09 : 388,914 = 169,562.46 : x
  2. Step 2: Convert to fraction form
    259,743.09/388,914 = 169,562.46/x
  3. Step 3: Cross multiply
    259,743.09x = 388,914 × 169,562.46
  4. Step 4: Simplify right side
    259,743.09x = 65,945,214,568.44
  5. Step 5: Solve for x
    x = 65,945,214,568.44/259,743.09
  6. Step 6: Final answer
    x = 253,886.31

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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.