Home / 260,305.18-390,517.92-110,550.36

Finding the Fourth Proportional to 260,305.18, 390,517.92 and 110,550.36

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Solution

The fourth proportional to 260,305.18, 390,517.92 and 110,550.36 is: 165,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,305.18 : 390,517.92 = 110,550.36 : x
  2. Step 2: Convert to fraction form
    260,305.18/390,517.92 = 110,550.36/x
  3. Step 3: Cross multiply
    260,305.18x = 390,517.92 × 110,550.36
  4. Step 4: Simplify right side
    260,305.18x = 43,171,894,137.11
  5. Step 5: Solve for x
    x = 43,171,894,137.11/260,305.18
  6. Step 6: Final answer
    x = 165,851.08

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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.