Home / 287,436.88-396,667.02-166,586.50

Finding the Fourth Proportional to 287,436.88, 396,667.02 and 166,586.50

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Solution

The fourth proportional to 287,436.88, 396,667.02 and 166,586.50 is: 229,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,436.88 : 396,667.02 = 166,586.50 : x
  2. Step 2: Convert to fraction form
    287,436.88/396,667.02 = 166,586.50/x
  3. Step 3: Cross multiply
    287,436.88x = 396,667.02 × 166,586.50
  4. Step 4: Simplify right side
    287,436.88x = 66,079,370,527.23
  5. Step 5: Solve for x
    x = 66,079,370,527.23/287,436.88
  6. Step 6: Final answer
    x = 229,891.76

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