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Finding the Fourth Proportional to 484,009.71, 667,949.52 and 266,227.57

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Solution

The fourth proportional to 484,009.71, 667,949.52 and 266,227.57 is: 367,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,009.71 : 667,949.52 = 266,227.57 : x
  2. Step 2: Convert to fraction form
    484,009.71/667,949.52 = 266,227.57/x
  3. Step 3: Cross multiply
    484,009.71x = 667,949.52 × 266,227.57
  4. Step 4: Simplify right side
    484,009.71x = 177,826,577,592.27
  5. Step 5: Solve for x
    x = 177,826,577,592.27/484,009.71
  6. Step 6: Final answer
    x = 367,402.91

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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.