Home / 226,499.40-339,749.10-212,502.60

Finding the Fourth Proportional to 226,499.40, 339,749.10 and 212,502.60

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Solution

The fourth proportional to 226,499.40, 339,749.10 and 212,502.60 is: 318,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,499.40 : 339,749.10 = 212,502.60 : x
  2. Step 2: Convert to fraction form
    226,499.40/339,749.10 = 212,502.60/x
  3. Step 3: Cross multiply
    226,499.40x = 339,749.10 × 212,502.60
  4. Step 4: Simplify right side
    226,499.40x = 72,197,567,097.66
  5. Step 5: Solve for x
    x = 72,197,567,097.66/226,499.40
  6. Step 6: Final answer
    x = 318,753.90

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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.