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Finding the Fourth Proportional to 265,813.29, 398,391.62 and 228,108.33

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Solution

The fourth proportional to 265,813.29, 398,391.62 and 228,108.33 is: 341,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,813.29 : 398,391.62 = 228,108.33 : x
  2. Step 2: Convert to fraction form
    265,813.29/398,391.62 = 228,108.33/x
  3. Step 3: Cross multiply
    265,813.29x = 398,391.62 × 228,108.33
  4. Step 4: Simplify right side
    265,813.29x = 90,876,445,983.65
  5. Step 5: Solve for x
    x = 90,876,445,983.65/265,813.29
  6. Step 6: Final answer
    x = 341,880.75

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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.