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Finding the Fourth Proportional to 491,715.44, 737,267.83 and 207,259.64

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Solution

The fourth proportional to 491,715.44, 737,267.83 and 207,259.64 is: 310,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,715.44 : 737,267.83 = 207,259.64 : x
  2. Step 2: Convert to fraction form
    491,715.44/737,267.83 = 207,259.64/x
  3. Step 3: Cross multiply
    491,715.44x = 737,267.83 × 207,259.64
  4. Step 4: Simplify right side
    491,715.44x = 152,805,865,029.38
  5. Step 5: Solve for x
    x = 152,805,865,029.38/491,715.44
  6. Step 6: Final answer
    x = 310,760.76

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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.