Home / 403,943.30-557,416.39-222,645.25

Finding the Fourth Proportional to 403,943.30, 557,416.39 and 222,645.25

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Solution

The fourth proportional to 403,943.30, 557,416.39 and 222,645.25 is: 307,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,943.30 : 557,416.39 = 222,645.25 : x
  2. Step 2: Convert to fraction form
    403,943.30/557,416.39 = 222,645.25/x
  3. Step 3: Cross multiply
    403,943.30x = 557,416.39 × 222,645.25
  4. Step 4: Simplify right side
    403,943.30x = 124,106,107,605.34
  5. Step 5: Solve for x
    x = 124,106,107,605.34/403,943.30
  6. Step 6: Final answer
    x = 307,236.46

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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.