Home / 208,243.27-287,344.70-117,597.43

Finding the Fourth Proportional to 208,243.27, 287,344.70 and 117,597.43

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Solution

The fourth proportional to 208,243.27, 287,344.70 and 117,597.43 is: 162,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,243.27 : 287,344.70 = 117,597.43 : x
  2. Step 2: Convert to fraction form
    208,243.27/287,344.70 = 117,597.43/x
  3. Step 3: Cross multiply
    208,243.27x = 287,344.70 × 117,597.43
  4. Step 4: Simplify right side
    208,243.27x = 33,790,998,244.12
  5. Step 5: Solve for x
    x = 33,790,998,244.12/208,243.27
  6. Step 6: Final answer
    x = 162,266.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.