Home / 287,326.20-396,510.14-166,537.54

Finding the Fourth Proportional to 287,326.20, 396,510.14 and 166,537.54

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Solution

The fourth proportional to 287,326.20, 396,510.14 and 166,537.54 is: 229,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,326.20 : 396,510.14 = 166,537.54 : x
  2. Step 2: Convert to fraction form
    287,326.20/396,510.14 = 166,537.54/x
  3. Step 3: Cross multiply
    287,326.20x = 396,510.14 × 166,537.54
  4. Step 4: Simplify right side
    287,326.20x = 66,033,820,485.42
  5. Step 5: Solve for x
    x = 66,033,820,485.42/287,326.20
  6. Step 6: Final answer
    x = 229,821.79

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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.