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Finding the Fourth Proportional to 342,588.30, 513,879.60 and 267,771.33

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Solution

The fourth proportional to 342,588.30, 513,879.60 and 267,771.33 is: 401,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,588.30 : 513,879.60 = 267,771.33 : x
  2. Step 2: Convert to fraction form
    342,588.30/513,879.60 = 267,771.33/x
  3. Step 3: Cross multiply
    342,588.30x = 513,879.60 × 267,771.33
  4. Step 4: Simplify right side
    342,588.30x = 137,602,224,956.01
  5. Step 5: Solve for x
    x = 137,602,224,956.01/342,588.30
  6. Step 6: Final answer
    x = 401,654.77

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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.