Home / 260,324.40-390,546.64-110,569.52

Finding the Fourth Proportional to 260,324.40, 390,546.64 and 110,569.52

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Solution

The fourth proportional to 260,324.40, 390,546.64 and 110,569.52 is: 165,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,324.40 : 390,546.64 = 110,569.52 : x
  2. Step 2: Convert to fraction form
    260,324.40/390,546.64 = 110,569.52/x
  3. Step 3: Cross multiply
    260,324.40x = 390,546.64 × 110,569.52
  4. Step 4: Simplify right side
    260,324.40x = 43,182,554,522.41
  5. Step 5: Solve for x
    x = 43,182,554,522.41/260,324.40
  6. Step 6: Final answer
    x = 165,879.78

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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.