Home / 303,914.60-455,871.90-268,922.60

Finding the Fourth Proportional to 303,914.60, 455,871.90 and 268,922.60

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Solution

The fourth proportional to 303,914.60, 455,871.90 and 268,922.60 is: 403,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,914.60 : 455,871.90 = 268,922.60 : x
  2. Step 2: Convert to fraction form
    303,914.60/455,871.90 = 268,922.60/x
  3. Step 3: Cross multiply
    303,914.60x = 455,871.90 × 268,922.60
  4. Step 4: Simplify right side
    303,914.60x = 122,594,256,614.94
  5. Step 5: Solve for x
    x = 122,594,256,614.94/303,914.60
  6. Step 6: Final answer
    x = 403,383.90

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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.