Home / 279,735.22-419,968.69-166,090.49

Finding the Fourth Proportional to 279,735.22, 419,968.69 and 166,090.49

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Solution

The fourth proportional to 279,735.22, 419,968.69 and 166,090.49 is: 249,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,735.22 : 419,968.69 = 166,090.49 : x
  2. Step 2: Convert to fraction form
    279,735.22/419,968.69 = 166,090.49/x
  3. Step 3: Cross multiply
    279,735.22x = 419,968.69 × 166,090.49
  4. Step 4: Simplify right side
    279,735.22x = 69,752,805,506.76
  5. Step 5: Solve for x
    x = 69,752,805,506.76/279,735.22
  6. Step 6: Final answer
    x = 249,352.97

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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.