Home / 320,982.63-442,950.57-177,739.59

Finding the Fourth Proportional to 320,982.63, 442,950.57 and 177,739.59

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Solution

The fourth proportional to 320,982.63, 442,950.57 and 177,739.59 is: 245,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,982.63 : 442,950.57 = 177,739.59 : x
  2. Step 2: Convert to fraction form
    320,982.63/442,950.57 = 177,739.59/x
  3. Step 3: Cross multiply
    320,982.63x = 442,950.57 × 177,739.59
  4. Step 4: Simplify right side
    320,982.63x = 78,729,852,702.07
  5. Step 5: Solve for x
    x = 78,729,852,702.07/320,982.63
  6. Step 6: Final answer
    x = 245,277.61

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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.