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Finding the Fourth Proportional to 370,790.88, 511,653.12 and 227,556.96

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Solution

The fourth proportional to 370,790.88, 511,653.12 and 227,556.96 is: 314,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,790.88 : 511,653.12 = 227,556.96 : x
  2. Step 2: Convert to fraction form
    370,790.88/511,653.12 = 227,556.96/x
  3. Step 3: Cross multiply
    370,790.88x = 511,653.12 × 227,556.96
  4. Step 4: Simplify right side
    370,790.88x = 116,430,228,561.72
  5. Step 5: Solve for x
    x = 116,430,228,561.72/370,790.88
  6. Step 6: Final answer
    x = 314,005.10

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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.