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Finding the Fourth Proportional to 247,486.37, 371,289.93 and 79,006.73

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Solution

The fourth proportional to 247,486.37, 371,289.93 and 79,006.73 is: 118,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,486.37 : 371,289.93 = 79,006.73 : x
  2. Step 2: Convert to fraction form
    247,486.37/371,289.93 = 79,006.73/x
  3. Step 3: Cross multiply
    247,486.37x = 371,289.93 × 79,006.73
  4. Step 4: Simplify right side
    247,486.37x = 29,334,403,251.23
  5. Step 5: Solve for x
    x = 29,334,403,251.23/247,486.37
  6. Step 6: Final answer
    x = 118,529.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.