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Finding the Fourth Proportional to 605,340.70, 907,695.75 and 225,949.46

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Solution

The fourth proportional to 605,340.70, 907,695.75 and 225,949.46 is: 338,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,340.70 : 907,695.75 = 225,949.46 : x
  2. Step 2: Convert to fraction form
    605,340.70/907,695.75 = 225,949.46/x
  3. Step 3: Cross multiply
    605,340.70x = 907,695.75 × 225,949.46
  4. Step 4: Simplify right side
    605,340.70x = 205,093,360,865.63
  5. Step 5: Solve for x
    x = 205,093,360,865.63/605,340.70
  6. Step 6: Final answer
    x = 338,806.50

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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.