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Finding the Fourth Proportional to 303,750.80, 418,898.76 and 231,997.52

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Solution

The fourth proportional to 303,750.80, 418,898.76 and 231,997.52 is: 319,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,750.80 : 418,898.76 = 231,997.52 : x
  2. Step 2: Convert to fraction form
    303,750.80/418,898.76 = 231,997.52/x
  3. Step 3: Cross multiply
    303,750.80x = 418,898.76 × 231,997.52
  4. Step 4: Simplify right side
    303,750.80x = 97,183,473,451.08
  5. Step 5: Solve for x
    x = 97,183,473,451.08/303,750.80
  6. Step 6: Final answer
    x = 319,944.75

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1.5x scale

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.