Home / 208,231.27-287,365.04-117,600.87

Finding the Fourth Proportional to 208,231.27, 287,365.04 and 117,600.87

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Solution

The fourth proportional to 208,231.27, 287,365.04 and 117,600.87 is: 162,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,231.27 : 287,365.04 = 117,600.87 : x
  2. Step 2: Convert to fraction form
    208,231.27/287,365.04 = 117,600.87/x
  3. Step 3: Cross multiply
    208,231.27x = 287,365.04 × 117,600.87
  4. Step 4: Simplify right side
    208,231.27x = 33,794,378,711.58
  5. Step 5: Solve for x
    x = 33,794,378,711.58/208,231.27
  6. Step 6: Final answer
    x = 162,292.53

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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.