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Finding the Fourth Proportional to 542,048.22, 812,757.11 and 205,114.88

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Solution

The fourth proportional to 542,048.22, 812,757.11 and 205,114.88 is: 307,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,048.22 : 812,757.11 = 205,114.88 : x
  2. Step 2: Convert to fraction form
    542,048.22/812,757.11 = 205,114.88/x
  3. Step 3: Cross multiply
    542,048.22x = 812,757.11 × 205,114.88
  4. Step 4: Simplify right side
    542,048.22x = 166,708,578,093.12
  5. Step 5: Solve for x
    x = 166,708,578,093.12/542,048.22
  6. Step 6: Final answer
    x = 307,553.04

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1.5x scale

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.