Home / 456,200.12-629,538.35-272,469.85

Finding the Fourth Proportional to 456,200.12, 629,538.35 and 272,469.85

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Solution

The fourth proportional to 456,200.12, 629,538.35 and 272,469.85 is: 375,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,200.12 : 629,538.35 = 272,469.85 : x
  2. Step 2: Convert to fraction form
    456,200.12/629,538.35 = 272,469.85/x
  3. Step 3: Cross multiply
    456,200.12x = 629,538.35 × 272,469.85
  4. Step 4: Simplify right side
    456,200.12x = 171,530,216,857.55
  5. Step 5: Solve for x
    x = 171,530,216,857.55/456,200.12
  6. Step 6: Final answer
    x = 375,997.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.