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Finding the Fourth Proportional to 495,874.62, 684,311.50 and 269,520.66

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Solution

The fourth proportional to 495,874.62, 684,311.50 and 269,520.66 is: 371,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,874.62 : 684,311.50 = 269,520.66 : x
  2. Step 2: Convert to fraction form
    495,874.62/684,311.50 = 269,520.66/x
  3. Step 3: Cross multiply
    495,874.62x = 684,311.50 × 269,520.66
  4. Step 4: Simplify right side
    495,874.62x = 184,436,087,125.59
  5. Step 5: Solve for x
    x = 184,436,087,125.59/495,874.62
  6. Step 6: Final answer
    x = 371,940.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.