Home / 403,936.29-557,435.79-222,655.17

Finding the Fourth Proportional to 403,936.29, 557,435.79 and 222,655.17

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Solution

The fourth proportional to 403,936.29, 557,435.79 and 222,655.17 is: 307,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,936.29 : 557,435.79 = 222,655.17 : x
  2. Step 2: Convert to fraction form
    403,936.29/557,435.79 = 222,655.17/x
  3. Step 3: Cross multiply
    403,936.29x = 557,435.79 × 222,655.17
  4. Step 4: Simplify right side
    403,936.29x = 124,115,960,586.53
  5. Step 5: Solve for x
    x = 124,115,960,586.53/403,936.29
  6. Step 6: Final answer
    x = 307,266.18

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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.