Home / 303,831.03-419,291.20-167,868.12

Finding the Fourth Proportional to 303,831.03, 419,291.20 and 167,868.12

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Solution

The fourth proportional to 303,831.03, 419,291.20 and 167,868.12 is: 231,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,831.03 : 419,291.20 = 167,868.12 : x
  2. Step 2: Convert to fraction form
    303,831.03/419,291.20 = 167,868.12/x
  3. Step 3: Cross multiply
    303,831.03x = 419,291.20 × 167,868.12
  4. Step 4: Simplify right side
    303,831.03x = 70,385,625,476.54
  5. Step 5: Solve for x
    x = 70,385,625,476.54/303,831.03
  6. Step 6: Final answer
    x = 231,660.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.