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Finding the Fourth Proportional to 303,400.60, 455,100.90 and 303,400.60

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Solution

The fourth proportional to 303,400.60, 455,100.90 and 303,400.60 is: 455,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,400.60 : 455,100.90 = 303,400.60 : x
  2. Step 2: Convert to fraction form
    303,400.60/455,100.90 = 303,400.60/x
  3. Step 3: Cross multiply
    303,400.60x = 455,100.90 × 303,400.60
  4. Step 4: Simplify right side
    303,400.60x = 138,077,886,120.54
  5. Step 5: Solve for x
    x = 138,077,886,120.54/303,400.60
  6. Step 6: Final answer
    x = 455,100.90

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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.