Home / 259,390.86-388,747.26-132,923.94

Finding the Fourth Proportional to 259,390.86, 388,747.26 and 132,923.94

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Solution

The fourth proportional to 259,390.86, 388,747.26 and 132,923.94 is: 199,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,390.86 : 388,747.26 = 132,923.94 : x
  2. Step 2: Convert to fraction form
    259,390.86/388,747.26 = 132,923.94/x
  3. Step 3: Cross multiply
    259,390.86x = 388,747.26 × 132,923.94
  4. Step 4: Simplify right side
    259,390.86x = 51,673,817,463.40
  5. Step 5: Solve for x
    x = 51,673,817,463.40/259,390.86
  6. Step 6: Final answer
    x = 199,212.18

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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.