Home / 220,306.54-304,022.28-124,831.44

Finding the Fourth Proportional to 220,306.54, 304,022.28 and 124,831.44

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Solution

The fourth proportional to 220,306.54, 304,022.28 and 124,831.44 is: 172,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.54 : 304,022.28 = 124,831.44 : x
  2. Step 2: Convert to fraction form
    220,306.54/304,022.28 = 124,831.44/x
  3. Step 3: Cross multiply
    220,306.54x = 304,022.28 × 124,831.44
  4. Step 4: Simplify right side
    220,306.54x = 37,951,539,004.48
  5. Step 5: Solve for x
    x = 37,951,539,004.48/220,306.54
  6. Step 6: Final answer
    x = 172,266.96

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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.