Home / 252,004.22-378,080.16-74,515.82

Finding the Fourth Proportional to 252,004.22, 378,080.16 and 74,515.82

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Solution

The fourth proportional to 252,004.22, 378,080.16 and 74,515.82 is: 111,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,004.22 : 378,080.16 = 74,515.82 : x
  2. Step 2: Convert to fraction form
    252,004.22/378,080.16 = 74,515.82/x
  3. Step 3: Cross multiply
    252,004.22x = 378,080.16 × 74,515.82
  4. Step 4: Simplify right side
    252,004.22x = 28,172,953,148.13
  5. Step 5: Solve for x
    x = 28,172,953,148.13/252,004.22
  6. Step 6: Final answer
    x = 111,795.56

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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.