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Finding the Fourth Proportional to 444,900.60, 667,569.60 and 208,202.40

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Solution

The fourth proportional to 444,900.60, 667,569.60 and 208,202.40 is: 312,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,900.60 : 667,569.60 = 208,202.40 : x
  2. Step 2: Convert to fraction form
    444,900.60/667,569.60 = 208,202.40/x
  3. Step 3: Cross multiply
    444,900.60x = 667,569.60 × 208,202.40
  4. Step 4: Simplify right side
    444,900.60x = 138,989,592,887.04
  5. Step 5: Solve for x
    x = 138,989,592,887.04/444,900.60
  6. Step 6: Final answer
    x = 312,405.95

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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.