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Finding the Fourth Proportional to 247,239.60, 370,859.40 and 188,190.60

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Solution

The fourth proportional to 247,239.60, 370,859.40 and 188,190.60 is: 282,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,239.60 : 370,859.40 = 188,190.60 : x
  2. Step 2: Convert to fraction form
    247,239.60/370,859.40 = 188,190.60/x
  3. Step 3: Cross multiply
    247,239.60x = 370,859.40 × 188,190.60
  4. Step 4: Simplify right side
    247,239.60x = 69,792,253,001.64
  5. Step 5: Solve for x
    x = 69,792,253,001.64/247,239.60
  6. Step 6: Final answer
    x = 282,285.90

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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.