Home / 212,268.54-318,414.24-54,498.36

Finding the Fourth Proportional to 212,268.54, 318,414.24 and 54,498.36

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Solution

The fourth proportional to 212,268.54, 318,414.24 and 54,498.36 is: 81,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,268.54 : 318,414.24 = 54,498.36 : x
  2. Step 2: Convert to fraction form
    212,268.54/318,414.24 = 54,498.36/x
  3. Step 3: Cross multiply
    212,268.54x = 318,414.24 × 54,498.36
  4. Step 4: Simplify right side
    212,268.54x = 17,353,053,880.65
  5. Step 5: Solve for x
    x = 17,353,053,880.65/212,268.54
  6. Step 6: Final answer
    x = 81,750.47

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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.