Home / 269,831.24-372,020.98-221,254.20

Finding the Fourth Proportional to 269,831.24, 372,020.98 and 221,254.20

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Solution

The fourth proportional to 269,831.24, 372,020.98 and 221,254.20 is: 305,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,831.24 : 372,020.98 = 221,254.20 : x
  2. Step 2: Convert to fraction form
    269,831.24/372,020.98 = 221,254.20/x
  3. Step 3: Cross multiply
    269,831.24x = 372,020.98 × 221,254.20
  4. Step 4: Simplify right side
    269,831.24x = 82,311,204,313.12
  5. Step 5: Solve for x
    x = 82,311,204,313.12/269,831.24
  6. Step 6: Final answer
    x = 305,046.98

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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.