Home / 376,425.05-519,448.41-215,297.82

Finding the Fourth Proportional to 376,425.05, 519,448.41 and 215,297.82

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Solution

The fourth proportional to 376,425.05, 519,448.41 and 215,297.82 is: 297,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,425.05 : 519,448.41 = 215,297.82 : x
  2. Step 2: Convert to fraction form
    376,425.05/519,448.41 = 215,297.82/x
  3. Step 3: Cross multiply
    376,425.05x = 519,448.41 × 215,297.82
  4. Step 4: Simplify right side
    376,425.05x = 111,836,110,275.47
  5. Step 5: Solve for x
    x = 111,836,110,275.47/376,425.05
  6. Step 6: Final answer
    x = 297,100.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.