Home / 248,047.92-342,470.03-221,143.77

Finding the Fourth Proportional to 248,047.92, 342,470.03 and 221,143.77

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Solution

The fourth proportional to 248,047.92, 342,470.03 and 221,143.77 is: 305,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,047.92 : 342,470.03 = 221,143.77 : x
  2. Step 2: Convert to fraction form
    248,047.92/342,470.03 = 221,143.77/x
  3. Step 3: Cross multiply
    248,047.92x = 342,470.03 × 221,143.77
  4. Step 4: Simplify right side
    248,047.92x = 75,735,112,440.49
  5. Step 5: Solve for x
    x = 75,735,112,440.49/248,047.92
  6. Step 6: Final answer
    x = 305,324.52

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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.