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Finding the Fourth Proportional to 626,963.20, 940,035.84 and 227,528.32

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Solution

The fourth proportional to 626,963.20, 940,035.84 and 227,528.32 is: 341,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,963.20 : 940,035.84 = 227,528.32 : x
  2. Step 2: Convert to fraction form
    626,963.20/940,035.84 = 227,528.32/x
  3. Step 3: Cross multiply
    626,963.20x = 940,035.84 × 227,528.32
  4. Step 4: Simplify right side
    626,963.20x = 213,884,775,414.99
  5. Step 5: Solve for x
    x = 213,884,775,414.99/626,963.20
  6. Step 6: Final answer
    x = 341,144.07

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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.