Home / 320,295.54-442,008-177,055.50

Finding the Fourth Proportional to 320,295.54, 442,008 and 177,055.50

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Solution

The fourth proportional to 320,295.54, 442,008 and 177,055.50 is: 244,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,295.54 : 442,008 = 177,055.50 : x
  2. Step 2: Convert to fraction form
    320,295.54/442,008 = 177,055.50/x
  3. Step 3: Cross multiply
    320,295.54x = 442,008 × 177,055.50
  4. Step 4: Simplify right side
    320,295.54x = 78,259,947,444
  5. Step 5: Solve for x
    x = 78,259,947,444/320,295.54
  6. Step 6: Final answer
    x = 244,336.68

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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.