Home / 260,831.94-391,215.24-83,324.22

Finding the Fourth Proportional to 260,831.94, 391,215.24 and 83,324.22

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Solution

The fourth proportional to 260,831.94, 391,215.24 and 83,324.22 is: 124,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,831.94 : 391,215.24 = 83,324.22 : x
  2. Step 2: Convert to fraction form
    260,831.94/391,215.24 = 83,324.22/x
  3. Step 3: Cross multiply
    260,831.94x = 391,215.24 × 83,324.22
  4. Step 4: Simplify right side
    260,831.94x = 32,597,704,725.11
  5. Step 5: Solve for x
    x = 32,597,704,725.11/260,831.94
  6. Step 6: Final answer
    x = 124,975.89

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1.5x scale

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.