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Finding the Fourth Proportional to 370,791.14, 511,653.93 and 227,557.22

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Solution

The fourth proportional to 370,791.14, 511,653.93 and 227,557.22 is: 314,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,791.14 : 511,653.93 = 227,557.22 : x
  2. Step 2: Convert to fraction form
    370,791.14/511,653.93 = 227,557.22/x
  3. Step 3: Cross multiply
    370,791.14x = 511,653.93 × 227,557.22
  4. Step 4: Simplify right side
    370,791.14x = 116,430,545,912.88
  5. Step 5: Solve for x
    x = 116,430,545,912.88/370,791.14
  6. Step 6: Final answer
    x = 314,005.74

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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.