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Finding the Fourth Proportional to 619,408.96, 929,452.08 and 240,344.64

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Solution

The fourth proportional to 619,408.96, 929,452.08 and 240,344.64 is: 360,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,408.96 : 929,452.08 = 240,344.64 : x
  2. Step 2: Convert to fraction form
    619,408.96/929,452.08 = 240,344.64/x
  3. Step 3: Cross multiply
    619,408.96x = 929,452.08 × 240,344.64
  4. Step 4: Simplify right side
    619,408.96x = 223,388,825,564.85
  5. Step 5: Solve for x
    x = 223,388,825,564.85/619,408.96
  6. Step 6: Final answer
    x = 360,648.36

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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.