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Finding the Fourth Proportional to 540,600.70, 811,305 and 203,973.34

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Solution

The fourth proportional to 540,600.70, 811,305 and 203,973.34 is: 306,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,600.70 : 811,305 = 203,973.34 : x
  2. Step 2: Convert to fraction form
    540,600.70/811,305 = 203,973.34/x
  3. Step 3: Cross multiply
    540,600.70x = 811,305 × 203,973.34
  4. Step 4: Simplify right side
    540,600.70x = 165,484,590,608.70
  5. Step 5: Solve for x
    x = 165,484,590,608.70/540,600.70
  6. Step 6: Final answer
    x = 306,112.42

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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.