Home / 403,842.36-557,306.30-222,560.94

Finding the Fourth Proportional to 403,842.36, 557,306.30 and 222,560.94

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Solution

The fourth proportional to 403,842.36, 557,306.30 and 222,560.94 is: 307,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,842.36 : 557,306.30 = 222,560.94 : x
  2. Step 2: Convert to fraction form
    403,842.36/557,306.30 = 222,560.94/x
  3. Step 3: Cross multiply
    403,842.36x = 557,306.30 × 222,560.94
  4. Step 4: Simplify right side
    403,842.36x = 124,034,613,995.92
  5. Step 5: Solve for x
    x = 124,034,613,995.92/403,842.36
  6. Step 6: Final answer
    x = 307,136.22

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1.5x scale

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.