Home / 221,741.16-305,912.13-163,736.88

Finding the Fourth Proportional to 221,741.16, 305,912.13 and 163,736.88

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Solution

The fourth proportional to 221,741.16, 305,912.13 and 163,736.88 is: 225,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,741.16 : 305,912.13 = 163,736.88 : x
  2. Step 2: Convert to fraction form
    221,741.16/305,912.13 = 163,736.88/x
  3. Step 3: Cross multiply
    221,741.16x = 305,912.13 × 163,736.88
  4. Step 4: Simplify right side
    221,741.16x = 50,089,097,720.35
  5. Step 5: Solve for x
    x = 50,089,097,720.35/221,741.16
  6. Step 6: Final answer
    x = 225,889.94

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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.