Home / 403,837.28-557,287.79-222,566.03

Finding the Fourth Proportional to 403,837.28, 557,287.79 and 222,566.03

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Solution

The fourth proportional to 403,837.28, 557,287.79 and 222,566.03 is: 307,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,837.28 : 557,287.79 = 222,566.03 : x
  2. Step 2: Convert to fraction form
    403,837.28/557,287.79 = 222,566.03/x
  3. Step 3: Cross multiply
    403,837.28x = 557,287.79 × 222,566.03
  4. Step 4: Simplify right side
    403,837.28x = 124,033,327,088.51
  5. Step 5: Solve for x
    x = 124,033,327,088.51/403,837.28
  6. Step 6: Final answer
    x = 307,136.90

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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.