Home / 269,485.25-371,821.19-197,740.71

Finding the Fourth Proportional to 269,485.25, 371,821.19 and 197,740.71

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Solution

The fourth proportional to 269,485.25, 371,821.19 and 197,740.71 is: 272,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,485.25 : 371,821.19 = 197,740.71 : x
  2. Step 2: Convert to fraction form
    269,485.25/371,821.19 = 197,740.71/x
  3. Step 3: Cross multiply
    269,485.25x = 371,821.19 × 197,740.71
  4. Step 4: Simplify right side
    269,485.25x = 73,524,185,114.94
  5. Step 5: Solve for x
    x = 73,524,185,114.94/269,485.25
  6. Step 6: Final answer
    x = 272,831.95

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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.