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Finding the Fourth Proportional to 491,492.77, 737,504.03 and 207,380.23

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Solution

The fourth proportional to 491,492.77, 737,504.03 and 207,380.23 is: 311,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,492.77 : 737,504.03 = 207,380.23 : x
  2. Step 2: Convert to fraction form
    491,492.77/737,504.03 = 207,380.23/x
  3. Step 3: Cross multiply
    491,492.77x = 737,504.03 × 207,380.23
  4. Step 4: Simplify right side
    491,492.77x = 152,943,755,367.33
  5. Step 5: Solve for x
    x = 152,943,755,367.33/491,492.77
  6. Step 6: Final answer
    x = 311,182.11

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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.