Home / 378,017.75-566,829.74-178,284.51

Finding the Fourth Proportional to 378,017.75, 566,829.74 and 178,284.51

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Solution

The fourth proportional to 378,017.75, 566,829.74 and 178,284.51 is: 267,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,017.75 : 566,829.74 = 178,284.51 : x
  2. Step 2: Convert to fraction form
    378,017.75/566,829.74 = 178,284.51/x
  3. Step 3: Cross multiply
    378,017.75x = 566,829.74 × 178,284.51
  4. Step 4: Simplify right side
    378,017.75x = 101,056,962,449.33
  5. Step 5: Solve for x
    x = 101,056,962,449.33/378,017.75
  6. Step 6: Final answer
    x = 267,333.91

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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.