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Finding the Fourth Proportional to 251,274.50, 346,839.60 and 160,873.94

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Solution

The fourth proportional to 251,274.50, 346,839.60 and 160,873.94 is: 222,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,274.50 : 346,839.60 = 160,873.94 : x
  2. Step 2: Convert to fraction form
    251,274.50/346,839.60 = 160,873.94/x
  3. Step 3: Cross multiply
    251,274.50x = 346,839.60 × 160,873.94
  4. Step 4: Simplify right side
    251,274.50x = 55,797,453,000.02
  5. Step 5: Solve for x
    x = 55,797,453,000.02/251,274.50
  6. Step 6: Final answer
    x = 222,057.76

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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.