Home / 437,840.12-656,556.05-227,421.56

Finding the Fourth Proportional to 437,840.12, 656,556.05 and 227,421.56

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Solution

The fourth proportional to 437,840.12, 656,556.05 and 227,421.56 is: 341,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,840.12 : 656,556.05 = 227,421.56 : x
  2. Step 2: Convert to fraction form
    437,840.12/656,556.05 = 227,421.56/x
  3. Step 3: Cross multiply
    437,840.12x = 656,556.05 × 227,421.56
  4. Step 4: Simplify right side
    437,840.12x = 149,314,998,404.21
  5. Step 5: Solve for x
    x = 149,314,998,404.21/437,840.12
  6. Step 6: Final answer
    x = 341,026.31

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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.