Home / 287,426.88-396,653.22-166,576.50

Finding the Fourth Proportional to 287,426.88, 396,653.22 and 166,576.50

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Solution

The fourth proportional to 287,426.88, 396,653.22 and 166,576.50 is: 229,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,426.88 : 396,653.22 = 166,576.50 : x
  2. Step 2: Convert to fraction form
    287,426.88/396,653.22 = 166,576.50/x
  3. Step 3: Cross multiply
    287,426.88x = 396,653.22 × 166,576.50
  4. Step 4: Simplify right side
    287,426.88x = 66,073,105,101.33
  5. Step 5: Solve for x
    x = 66,073,105,101.33/287,426.88
  6. Step 6: Final answer
    x = 229,877.96

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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.