Home / 403,825.29-557,282.63-222,543.71

Finding the Fourth Proportional to 403,825.29, 557,282.63 and 222,543.71

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Solution

The fourth proportional to 403,825.29, 557,282.63 and 222,543.71 is: 307,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,825.29 : 557,282.63 = 222,543.71 : x
  2. Step 2: Convert to fraction form
    403,825.29/557,282.63 = 222,543.71/x
  3. Step 3: Cross multiply
    403,825.29x = 557,282.63 × 222,543.71
  4. Step 4: Simplify right side
    403,825.29x = 124,019,745,948.32
  5. Step 5: Solve for x
    x = 124,019,745,948.32/403,825.29
  6. Step 6: Final answer
    x = 307,112.38

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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.