Home / 314,932.20-471,246.30-231,988.20

Finding the Fourth Proportional to 314,932.20, 471,246.30 and 231,988.20

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Solution

The fourth proportional to 314,932.20, 471,246.30 and 231,988.20 is: 347,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,932.20 : 471,246.30 = 231,988.20 : x
  2. Step 2: Convert to fraction form
    314,932.20/471,246.30 = 231,988.20/x
  3. Step 3: Cross multiply
    314,932.20x = 471,246.30 × 231,988.20
  4. Step 4: Simplify right side
    314,932.20x = 109,323,580,893.66
  5. Step 5: Solve for x
    x = 109,323,580,893.66/314,932.20
  6. Step 6: Final answer
    x = 347,133.70

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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.