Home / 403,942.72-557,473.08-222,687.04

Finding the Fourth Proportional to 403,942.72, 557,473.08 and 222,687.04

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Solution

The fourth proportional to 403,942.72, 557,473.08 and 222,687.04 is: 307,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,942.72 : 557,473.08 = 222,687.04 : x
  2. Step 2: Convert to fraction form
    403,942.72/557,473.08 = 222,687.04/x
  3. Step 3: Cross multiply
    403,942.72x = 557,473.08 × 222,687.04
  4. Step 4: Simplify right side
    403,942.72x = 124,142,030,064.88
  5. Step 5: Solve for x
    x = 124,142,030,064.88/403,942.72
  6. Step 6: Final answer
    x = 307,325.83

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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.