Home / 287,077.04-396,160.44-179,706.27

Finding the Fourth Proportional to 287,077.04, 396,160.44 and 179,706.27

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Solution

The fourth proportional to 287,077.04, 396,160.44 and 179,706.27 is: 247,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,077.04 : 396,160.44 = 179,706.27 : x
  2. Step 2: Convert to fraction form
    287,077.04/396,160.44 = 179,706.27/x
  3. Step 3: Cross multiply
    287,077.04x = 396,160.44 × 179,706.27
  4. Step 4: Simplify right side
    287,077.04x = 71,192,514,993.96
  5. Step 5: Solve for x
    x = 71,192,514,993.96/287,077.04
  6. Step 6: Final answer
    x = 247,990.98

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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.