Home / 236,831.80-355,247.70-148,358.20

Finding the Fourth Proportional to 236,831.80, 355,247.70 and 148,358.20

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Solution

The fourth proportional to 236,831.80, 355,247.70 and 148,358.20 is: 222,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,831.80 : 355,247.70 = 148,358.20 : x
  2. Step 2: Convert to fraction form
    236,831.80/355,247.70 = 148,358.20/x
  3. Step 3: Cross multiply
    236,831.80x = 355,247.70 × 148,358.20
  4. Step 4: Simplify right side
    236,831.80x = 52,703,909,326.14
  5. Step 5: Solve for x
    x = 52,703,909,326.14/236,831.80
  6. Step 6: Final answer
    x = 222,537.30

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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.