Home / 403,803.07-557,251.97-222,521.49

Finding the Fourth Proportional to 403,803.07, 557,251.97 and 222,521.49

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Solution

The fourth proportional to 403,803.07, 557,251.97 and 222,521.49 is: 307,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,803.07 : 557,251.97 = 222,521.49 : x
  2. Step 2: Convert to fraction form
    403,803.07/557,251.97 = 222,521.49/x
  3. Step 3: Cross multiply
    403,803.07x = 557,251.97 × 222,521.49
  4. Step 4: Simplify right side
    403,803.07x = 124,000,536,183.52
  5. Step 5: Solve for x
    x = 124,000,536,183.52/403,803.07
  6. Step 6: Final answer
    x = 307,081.71

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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.