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Finding the Fourth Proportional to 503,886.80, 756,121.80 and 188,375.60

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Solution

The fourth proportional to 503,886.80, 756,121.80 and 188,375.60 is: 282,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,886.80 : 756,121.80 = 188,375.60 : x
  2. Step 2: Convert to fraction form
    503,886.80/756,121.80 = 188,375.60/x
  3. Step 3: Cross multiply
    503,886.80x = 756,121.80 × 188,375.60
  4. Step 4: Simplify right side
    503,886.80x = 142,434,897,748.08
  5. Step 5: Solve for x
    x = 142,434,897,748.08/503,886.80
  6. Step 6: Final answer
    x = 282,672.41

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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.