Home / 214,202.64-321,364.12-79,264.72

Finding the Fourth Proportional to 214,202.64, 321,364.12 and 79,264.72

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Solution

The fourth proportional to 214,202.64, 321,364.12 and 79,264.72 is: 118,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,202.64 : 321,364.12 = 79,264.72 : x
  2. Step 2: Convert to fraction form
    214,202.64/321,364.12 = 79,264.72/x
  3. Step 3: Cross multiply
    214,202.64x = 321,364.12 × 79,264.72
  4. Step 4: Simplify right side
    214,202.64x = 25,472,836,989.85
  5. Step 5: Solve for x
    x = 25,472,836,989.85/214,202.64
  6. Step 6: Final answer
    x = 118,919.34

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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.