Home / 380,734.69-570,977.46-178,268.12

Finding the Fourth Proportional to 380,734.69, 570,977.46 and 178,268.12

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Solution

The fourth proportional to 380,734.69, 570,977.46 and 178,268.12 is: 267,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,734.69 : 570,977.46 = 178,268.12 : x
  2. Step 2: Convert to fraction form
    380,734.69/570,977.46 = 178,268.12/x
  3. Step 3: Cross multiply
    380,734.69x = 570,977.46 × 178,268.12
  4. Step 4: Simplify right side
    380,734.69x = 101,787,079,775.54
  5. Step 5: Solve for x
    x = 101,787,079,775.54/380,734.69
  6. Step 6: Final answer
    x = 267,343.86

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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.