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Finding the Fourth Proportional to 542,059.32, 812,942.10 and 226,450.20

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Solution

The fourth proportional to 542,059.32, 812,942.10 and 226,450.20 is: 339,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,059.32 : 812,942.10 = 226,450.20 : x
  2. Step 2: Convert to fraction form
    542,059.32/812,942.10 = 226,450.20/x
  3. Step 3: Cross multiply
    542,059.32x = 812,942.10 × 226,450.20
  4. Step 4: Simplify right side
    542,059.32x = 184,090,901,133.42
  5. Step 5: Solve for x
    x = 184,090,901,133.42/542,059.32
  6. Step 6: Final answer
    x = 339,613.94

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Similar ratio
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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.