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Finding the Fourth Proportional to 403,551.48, 556,901.01 and 222,261.87

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Solution

The fourth proportional to 403,551.48, 556,901.01 and 222,261.87 is: 306,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,551.48 : 556,901.01 = 222,261.87 : x
  2. Step 2: Convert to fraction form
    403,551.48/556,901.01 = 222,261.87/x
  3. Step 3: Cross multiply
    403,551.48x = 556,901.01 × 222,261.87
  4. Step 4: Simplify right side
    403,551.48x = 123,777,859,887.49
  5. Step 5: Solve for x
    x = 123,777,859,887.49/403,551.48
  6. Step 6: Final answer
    x = 306,721.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.