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Finding the Fourth Proportional to 247,277.70, 370,912.52 and 78,795.77

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Solution

The fourth proportional to 247,277.70, 370,912.52 and 78,795.77 is: 118,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,277.70 : 370,912.52 = 78,795.77 : x
  2. Step 2: Convert to fraction form
    247,277.70/370,912.52 = 78,795.77/x
  3. Step 3: Cross multiply
    247,277.70x = 370,912.52 × 78,795.77
  4. Step 4: Simplify right side
    247,277.70x = 29,226,335,958.47
  5. Step 5: Solve for x
    x = 29,226,335,958.47/247,277.70
  6. Step 6: Final answer
    x = 118,192.36

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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.