Home / 308,928.85-462,556.96-218,600.28

Finding the Fourth Proportional to 308,928.85, 462,556.96 and 218,600.28

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Solution

The fourth proportional to 308,928.85, 462,556.96 and 218,600.28 is: 327,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,928.85 : 462,556.96 = 218,600.28 : x
  2. Step 2: Convert to fraction form
    308,928.85/462,556.96 = 218,600.28/x
  3. Step 3: Cross multiply
    308,928.85x = 462,556.96 × 218,600.28
  4. Step 4: Simplify right side
    308,928.85x = 101,115,083,263.42
  5. Step 5: Solve for x
    x = 101,115,083,263.42/308,928.85
  6. Step 6: Final answer
    x = 327,308.64

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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.