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Finding the Fourth Proportional to 368,145.60, 552,736.80 and 228,177.60

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Solution

The fourth proportional to 368,145.60, 552,736.80 and 228,177.60 is: 342,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,145.60 : 552,736.80 = 228,177.60 : x
  2. Step 2: Convert to fraction form
    368,145.60/552,736.80 = 228,177.60/x
  3. Step 3: Cross multiply
    368,145.60x = 552,736.80 × 228,177.60
  4. Step 4: Simplify right side
    368,145.60x = 126,122,156,455.68
  5. Step 5: Solve for x
    x = 126,122,156,455.68/368,145.60
  6. Step 6: Final answer
    x = 342,587.71

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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.