Home / 287,534.52-396,799.26-166,747.50

Finding the Fourth Proportional to 287,534.52, 396,799.26 and 166,747.50

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Solution

The fourth proportional to 287,534.52, 396,799.26 and 166,747.50 is: 230,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,534.52 : 396,799.26 = 166,747.50 : x
  2. Step 2: Convert to fraction form
    287,534.52/396,799.26 = 166,747.50/x
  3. Step 3: Cross multiply
    287,534.52x = 396,799.26 × 166,747.50
  4. Step 4: Simplify right side
    287,534.52x = 66,165,284,606.85
  5. Step 5: Solve for x
    x = 66,165,284,606.85/287,534.52
  6. Step 6: Final answer
    x = 230,112.49

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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.