Home / 269,678.52-372,150.18-148,831.20

Finding the Fourth Proportional to 269,678.52, 372,150.18 and 148,831.20

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Solution

The fourth proportional to 269,678.52, 372,150.18 and 148,831.20 is: 205,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,678.52 : 372,150.18 = 148,831.20 : x
  2. Step 2: Convert to fraction form
    269,678.52/372,150.18 = 148,831.20/x
  3. Step 3: Cross multiply
    269,678.52x = 372,150.18 × 148,831.20
  4. Step 4: Simplify right side
    269,678.52x = 55,387,557,869.62
  5. Step 5: Solve for x
    x = 55,387,557,869.62/269,678.52
  6. Step 6: Final answer
    x = 205,383.65

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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.