Home / 269,831.90-372,358.26-148,970.64

Finding the Fourth Proportional to 269,831.90, 372,358.26 and 148,970.64

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Solution

The fourth proportional to 269,831.90, 372,358.26 and 148,970.64 is: 205,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,831.90 : 372,358.26 = 148,970.64 : x
  2. Step 2: Convert to fraction form
    269,831.90/372,358.26 = 148,970.64/x
  3. Step 3: Cross multiply
    269,831.90x = 372,358.26 × 148,970.64
  4. Step 4: Simplify right side
    269,831.90x = 55,470,448,301.49
  5. Step 5: Solve for x
    x = 55,470,448,301.49/269,831.90
  6. Step 6: Final answer
    x = 205,574.09

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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.