Home / 208,290.33-287,440.22-112,796.73

Finding the Fourth Proportional to 208,290.33, 287,440.22 and 112,796.73

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Solution

The fourth proportional to 208,290.33, 287,440.22 and 112,796.73 is: 155,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,290.33 : 287,440.22 = 112,796.73 : x
  2. Step 2: Convert to fraction form
    208,290.33/287,440.22 = 112,796.73/x
  3. Step 3: Cross multiply
    208,290.33x = 287,440.22 × 112,796.73
  4. Step 4: Simplify right side
    208,290.33x = 32,422,317,168.47
  5. Step 5: Solve for x
    x = 32,422,317,168.47/208,290.33
  6. Step 6: Final answer
    x = 155,659.25

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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.