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Finding the Fourth Proportional to 243,114.68, 335,096.69 and 162,512.79

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Solution

The fourth proportional to 243,114.68, 335,096.69 and 162,512.79 is: 223,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,114.68 : 335,096.69 = 162,512.79 : x
  2. Step 2: Convert to fraction form
    243,114.68/335,096.69 = 162,512.79/x
  3. Step 3: Cross multiply
    243,114.68x = 335,096.69 × 162,512.79
  4. Step 4: Simplify right side
    243,114.68x = 54,457,498,011.67
  5. Step 5: Solve for x
    x = 54,457,498,011.67/243,114.68
  6. Step 6: Final answer
    x = 223,999.22

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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.