Home / 403,809.28-557,249.15-222,537.96

Finding the Fourth Proportional to 403,809.28, 557,249.15 and 222,537.96

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Solution

The fourth proportional to 403,809.28, 557,249.15 and 222,537.96 is: 307,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,809.28 : 557,249.15 = 222,537.96 : x
  2. Step 2: Convert to fraction form
    403,809.28/557,249.15 = 222,537.96/x
  3. Step 3: Cross multiply
    403,809.28x = 557,249.15 × 222,537.96
  4. Step 4: Simplify right side
    403,809.28x = 124,009,087,940.04
  5. Step 5: Solve for x
    x = 124,009,087,940.04/403,809.28
  6. Step 6: Final answer
    x = 307,098.17

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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.