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Finding the Fourth Proportional to 274,703.91, 412,513.08 and 185,321.91

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Solution

The fourth proportional to 274,703.91, 412,513.08 and 185,321.91 is: 278,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,703.91 : 412,513.08 = 185,321.91 : x
  2. Step 2: Convert to fraction form
    274,703.91/412,513.08 = 185,321.91/x
  3. Step 3: Cross multiply
    274,703.91x = 412,513.08 × 185,321.91
  4. Step 4: Simplify right side
    274,703.91x = 76,447,711,885.58
  5. Step 5: Solve for x
    x = 76,447,711,885.58/274,703.91
  6. Step 6: Final answer
    x = 278,291.31

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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.