Home / 231,929.40-347,958.90-113,604.60

Finding the Fourth Proportional to 231,929.40, 347,958.90 and 113,604.60

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Solution

The fourth proportional to 231,929.40, 347,958.90 and 113,604.60 is: 170,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,929.40 : 347,958.90 = 113,604.60 : x
  2. Step 2: Convert to fraction form
    231,929.40/347,958.90 = 113,604.60/x
  3. Step 3: Cross multiply
    231,929.40x = 347,958.90 × 113,604.60
  4. Step 4: Simplify right side
    231,929.40x = 39,529,731,650.94
  5. Step 5: Solve for x
    x = 39,529,731,650.94/231,929.40
  6. Step 6: Final answer
    x = 170,438.64

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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.