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Finding the Fourth Proportional to 503,893.80, 756,132.30 and 188,382.60

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Solution

The fourth proportional to 503,893.80, 756,132.30 and 188,382.60 is: 282,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,893.80 : 756,132.30 = 188,382.60 : x
  2. Step 2: Convert to fraction form
    503,893.80/756,132.30 = 188,382.60/x
  3. Step 3: Cross multiply
    503,893.80x = 756,132.30 × 188,382.60
  4. Step 4: Simplify right side
    503,893.80x = 142,442,168,617.98
  5. Step 5: Solve for x
    x = 142,442,168,617.98/503,893.80
  6. Step 6: Final answer
    x = 282,682.92

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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.