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Finding the Fourth Proportional to 295,747.36, 443,201.68 and 228,876.20

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Solution

The fourth proportional to 295,747.36, 443,201.68 and 228,876.20 is: 342,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,747.36 : 443,201.68 = 228,876.20 : x
  2. Step 2: Convert to fraction form
    295,747.36/443,201.68 = 228,876.20/x
  3. Step 3: Cross multiply
    295,747.36x = 443,201.68 × 228,876.20
  4. Step 4: Simplify right side
    295,747.36x = 101,438,316,352.02
  5. Step 5: Solve for x
    x = 101,438,316,352.02/295,747.36
  6. Step 6: Final answer
    x = 342,989.76

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1.5x scale

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.