Home / 376,926.66-520,144.52-215,796.69

Finding the Fourth Proportional to 376,926.66, 520,144.52 and 215,796.69

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Solution

The fourth proportional to 376,926.66, 520,144.52 and 215,796.69 is: 297,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,926.66 : 520,144.52 = 215,796.69 : x
  2. Step 2: Convert to fraction form
    376,926.66/520,144.52 = 215,796.69/x
  3. Step 3: Cross multiply
    376,926.66x = 520,144.52 × 215,796.69
  4. Step 4: Simplify right side
    376,926.66x = 112,245,464,658.66
  5. Step 5: Solve for x
    x = 112,245,464,658.66/376,926.66
  6. Step 6: Final answer
    x = 297,791.26

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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.