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Finding the Fourth Proportional to 214,485.14, 295,989.86 and 118,991.86

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Solution

The fourth proportional to 214,485.14, 295,989.86 and 118,991.86 is: 164,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,485.14 : 295,989.86 = 118,991.86 : x
  2. Step 2: Convert to fraction form
    214,485.14/295,989.86 = 118,991.86/x
  3. Step 3: Cross multiply
    214,485.14x = 295,989.86 × 118,991.86
  4. Step 4: Simplify right side
    214,485.14x = 35,220,383,982.54
  5. Step 5: Solve for x
    x = 35,220,383,982.54/214,485.14
  6. Step 6: Final answer
    x = 164,208.97

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1.5x scale

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.