Home / 217,831.46-326,767.34-84,721.82

Finding the Fourth Proportional to 217,831.46, 326,767.34 and 84,721.82

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Solution

The fourth proportional to 217,831.46, 326,767.34 and 84,721.82 is: 127,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,831.46 : 326,767.34 = 84,721.82 : x
  2. Step 2: Convert to fraction form
    217,831.46/326,767.34 = 84,721.82/x
  3. Step 3: Cross multiply
    217,831.46x = 326,767.34 × 84,721.82
  4. Step 4: Simplify right side
    217,831.46x = 27,684,322,339.33
  5. Step 5: Solve for x
    x = 27,684,322,339.33/217,831.46
  6. Step 6: Final answer
    x = 127,090.56

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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.