Home / 320,927.60-442,896.44-177,703.44

Finding the Fourth Proportional to 320,927.60, 442,896.44 and 177,703.44

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Solution

The fourth proportional to 320,927.60, 442,896.44 and 177,703.44 is: 245,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,927.60 : 442,896.44 = 177,703.44 : x
  2. Step 2: Convert to fraction form
    320,927.60/442,896.44 = 177,703.44/x
  3. Step 3: Cross multiply
    320,927.60x = 442,896.44 × 177,703.44
  4. Step 4: Simplify right side
    320,927.60x = 78,704,220,951.75
  5. Step 5: Solve for x
    x = 78,704,220,951.75/320,927.60
  6. Step 6: Final answer
    x = 245,239.80

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1.5x scale

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.