Home / 287,216.25-396,367.55-179,751.93

Finding the Fourth Proportional to 287,216.25, 396,367.55 and 179,751.93

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Solution

The fourth proportional to 287,216.25, 396,367.55 and 179,751.93 is: 248,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,216.25 : 396,367.55 = 179,751.93 : x
  2. Step 2: Convert to fraction form
    287,216.25/396,367.55 = 179,751.93/x
  3. Step 3: Cross multiply
    287,216.25x = 396,367.55 × 179,751.93
  4. Step 4: Simplify right side
    287,216.25x = 71,247,831,203.11
  5. Step 5: Solve for x
    x = 71,247,831,203.11/287,216.25
  6. Step 6: Final answer
    x = 248,063.37

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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.