Home / 221,395.32-332,096.22-210,638.52

Finding the Fourth Proportional to 221,395.32, 332,096.22 and 210,638.52

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Solution

The fourth proportional to 221,395.32, 332,096.22 and 210,638.52 is: 315,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,395.32 : 332,096.22 = 210,638.52 : x
  2. Step 2: Convert to fraction form
    221,395.32/332,096.22 = 210,638.52/x
  3. Step 3: Cross multiply
    221,395.32x = 332,096.22 × 210,638.52
  4. Step 4: Simplify right side
    221,395.32x = 69,952,256,278.39
  5. Step 5: Solve for x
    x = 69,952,256,278.39/221,395.32
  6. Step 6: Final answer
    x = 315,960.86

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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.