Home / 381,831.24-526,938.08-212,076.32

Finding the Fourth Proportional to 381,831.24, 526,938.08 and 212,076.32

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Solution

The fourth proportional to 381,831.24, 526,938.08 and 212,076.32 is: 292,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,831.24 : 526,938.08 = 212,076.32 : x
  2. Step 2: Convert to fraction form
    381,831.24/526,938.08 = 212,076.32/x
  3. Step 3: Cross multiply
    381,831.24x = 526,938.08 × 212,076.32
  4. Step 4: Simplify right side
    381,831.24x = 111,751,088,874.27
  5. Step 5: Solve for x
    x = 111,751,088,874.27/381,831.24
  6. Step 6: Final answer
    x = 292,671.41

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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.