Home / 259,440.86-388,993.59-101,685.26

Finding the Fourth Proportional to 259,440.86, 388,993.59 and 101,685.26

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Solution

The fourth proportional to 259,440.86, 388,993.59 and 101,685.26 is: 152,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,440.86 : 388,993.59 = 101,685.26 : x
  2. Step 2: Convert to fraction form
    259,440.86/388,993.59 = 101,685.26/x
  3. Step 3: Cross multiply
    259,440.86x = 388,993.59 × 101,685.26
  4. Step 4: Simplify right side
    259,440.86x = 39,554,915,309.97
  5. Step 5: Solve for x
    x = 39,554,915,309.97/259,440.86
  6. Step 6: Final answer
    x = 152,462.16

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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.