Home / 314,912.20-471,216.30-231,968.20

Finding the Fourth Proportional to 314,912.20, 471,216.30 and 231,968.20

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Solution

The fourth proportional to 314,912.20, 471,216.30 and 231,968.20 is: 347,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,912.20 : 471,216.30 = 231,968.20 : x
  2. Step 2: Convert to fraction form
    314,912.20/471,216.30 = 231,968.20/x
  3. Step 3: Cross multiply
    314,912.20x = 471,216.30 × 231,968.20
  4. Step 4: Simplify right side
    314,912.20x = 109,307,196,921.66
  5. Step 5: Solve for x
    x = 109,307,196,921.66/314,912.20
  6. Step 6: Final answer
    x = 347,103.72

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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.