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Finding the Fourth Proportional to 437,844.60, 656,256.60 and 201,211.20

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Solution

The fourth proportional to 437,844.60, 656,256.60 and 201,211.20 is: 301,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,844.60 : 656,256.60 = 201,211.20 : x
  2. Step 2: Convert to fraction form
    437,844.60/656,256.60 = 201,211.20/x
  3. Step 3: Cross multiply
    437,844.60x = 656,256.60 × 201,211.20
  4. Step 4: Simplify right side
    437,844.60x = 132,046,177,993.92
  5. Step 5: Solve for x
    x = 132,046,177,993.92/437,844.60
  6. Step 6: Final answer
    x = 301,582.29

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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.