Home / 252,314.02-378,544.08-74,825.30

Finding the Fourth Proportional to 252,314.02, 378,544.08 and 74,825.30

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Solution

The fourth proportional to 252,314.02, 378,544.08 and 74,825.30 is: 112,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,314.02 : 378,544.08 = 74,825.30 : x
  2. Step 2: Convert to fraction form
    252,314.02/378,544.08 = 74,825.30/x
  3. Step 3: Cross multiply
    252,314.02x = 378,544.08 × 74,825.30
  4. Step 4: Simplify right side
    252,314.02x = 28,324,675,576.18
  5. Step 5: Solve for x
    x = 28,324,675,576.18/252,314.02
  6. Step 6: Final answer
    x = 112,259.62

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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.