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Finding the Fourth Proportional to 491,523.24, 737,571.60 and 207,196.50

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Solution

The fourth proportional to 491,523.24, 737,571.60 and 207,196.50 is: 310,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,523.24 : 737,571.60 = 207,196.50 : x
  2. Step 2: Convert to fraction form
    491,523.24/737,571.60 = 207,196.50/x
  3. Step 3: Cross multiply
    491,523.24x = 737,571.60 × 207,196.50
  4. Step 4: Simplify right side
    491,523.24x = 152,822,254,019.40
  5. Step 5: Solve for x
    x = 152,822,254,019.40/491,523.24
  6. Step 6: Final answer
    x = 310,915.62

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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.