Home / 403,936.47-557,407.17-222,649.83

Finding the Fourth Proportional to 403,936.47, 557,407.17 and 222,649.83

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Solution

The fourth proportional to 403,936.47, 557,407.17 and 222,649.83 is: 307,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,936.47 : 557,407.17 = 222,649.83 : x
  2. Step 2: Convert to fraction form
    403,936.47/557,407.17 = 222,649.83/x
  3. Step 3: Cross multiply
    403,936.47x = 557,407.17 × 222,649.83
  4. Step 4: Simplify right side
    403,936.47x = 124,106,611,641.28
  5. Step 5: Solve for x
    x = 124,106,611,641.28/403,936.47
  6. Step 6: Final answer
    x = 307,242.90

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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.