Home / 252,268.56-378,404.22-74,777.10

Finding the Fourth Proportional to 252,268.56, 378,404.22 and 74,777.10

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Solution

The fourth proportional to 252,268.56, 378,404.22 and 74,777.10 is: 112,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,268.56 : 378,404.22 = 74,777.10 : x
  2. Step 2: Convert to fraction form
    252,268.56/378,404.22 = 74,777.10/x
  3. Step 3: Cross multiply
    252,268.56x = 378,404.22 × 74,777.10
  4. Step 4: Simplify right side
    252,268.56x = 28,295,970,199.36
  5. Step 5: Solve for x
    x = 28,295,970,199.36/252,268.56
  6. Step 6: Final answer
    x = 112,166.06

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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.