Home / 403,916.88-557,429.64-222,628.56

Finding the Fourth Proportional to 403,916.88, 557,429.64 and 222,628.56

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Solution

The fourth proportional to 403,916.88, 557,429.64 and 222,628.56 is: 307,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,916.88 : 557,429.64 = 222,628.56 : x
  2. Step 2: Convert to fraction form
    403,916.88/557,429.64 = 222,628.56/x
  3. Step 3: Cross multiply
    403,916.88x = 557,429.64 × 222,628.56
  4. Step 4: Simplify right side
    403,916.88x = 124,099,758,054.52
  5. Step 5: Solve for x
    x = 124,099,758,054.52/403,916.88
  6. Step 6: Final answer
    x = 307,240.83

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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.