Home / 320,907.27-442,852.05-177,676.56

Finding the Fourth Proportional to 320,907.27, 442,852.05 and 177,676.56

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Solution

The fourth proportional to 320,907.27, 442,852.05 and 177,676.56 is: 245,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,907.27 : 442,852.05 = 177,676.56 : x
  2. Step 2: Convert to fraction form
    320,907.27/442,852.05 = 177,676.56/x
  3. Step 3: Cross multiply
    320,907.27x = 442,852.05 × 177,676.56
  4. Step 4: Simplify right side
    320,907.27x = 78,684,428,832.95
  5. Step 5: Solve for x
    x = 78,684,428,832.95/320,907.27
  6. Step 6: Final answer
    x = 245,193.66

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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.