Home / 218,439.40-327,030.54-195,645.64

Finding the Fourth Proportional to 218,439.40, 327,030.54 and 195,645.64

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Solution

The fourth proportional to 218,439.40, 327,030.54 and 195,645.64 is: 292,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439.40 : 327,030.54 = 195,645.64 : x
  2. Step 2: Convert to fraction form
    218,439.40/327,030.54 = 195,645.64/x
  3. Step 3: Cross multiply
    218,439.40x = 327,030.54 × 195,645.64
  4. Step 4: Simplify right side
    218,439.40x = 63,982,099,297.85
  5. Step 5: Solve for x
    x = 63,982,099,297.85/218,439.40
  6. Step 6: Final answer
    x = 292,905.49

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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.