Home / 320,939.30-442,903.19-175,751.25

Finding the Fourth Proportional to 320,939.30, 442,903.19 and 175,751.25

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Solution

The fourth proportional to 320,939.30, 442,903.19 and 175,751.25 is: 242,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,939.30 : 442,903.19 = 175,751.25 : x
  2. Step 2: Convert to fraction form
    320,939.30/442,903.19 = 175,751.25/x
  3. Step 3: Cross multiply
    320,939.30x = 442,903.19 × 175,751.25
  4. Step 4: Simplify right side
    320,939.30x = 77,840,788,392.73
  5. Step 5: Solve for x
    x = 77,840,788,392.73/320,939.30
  6. Step 6: Final answer
    x = 242,540.54

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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.