Home / 279,734.22-419,967.19-166,089.49

Finding the Fourth Proportional to 279,734.22, 419,967.19 and 166,089.49

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Solution

The fourth proportional to 279,734.22, 419,967.19 and 166,089.49 is: 249,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,734.22 : 419,967.19 = 166,089.49 : x
  2. Step 2: Convert to fraction form
    279,734.22/419,967.19 = 166,089.49/x
  3. Step 3: Cross multiply
    279,734.22x = 419,967.19 × 166,089.49
  4. Step 4: Simplify right side
    279,734.22x = 69,752,136,403.83
  5. Step 5: Solve for x
    x = 69,752,136,403.83/279,734.22
  6. Step 6: Final answer
    x = 249,351.47

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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.