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Finding the Fourth Proportional to 389,051.07, 537,024.42 and 227,958.27

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Solution

The fourth proportional to 389,051.07, 537,024.42 and 227,958.27 is: 314,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,051.07 : 537,024.42 = 227,958.27 : x
  2. Step 2: Convert to fraction form
    389,051.07/537,024.42 = 227,958.27/x
  3. Step 3: Cross multiply
    389,051.07x = 537,024.42 × 227,958.27
  4. Step 4: Simplify right side
    389,051.07x = 122,419,157,730.95
  5. Step 5: Solve for x
    x = 122,419,157,730.95/389,051.07
  6. Step 6: Final answer
    x = 314,660.89

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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.