Home / 320,582.25-442,365.21-177,322.82

Finding the Fourth Proportional to 320,582.25, 442,365.21 and 177,322.82

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Solution

The fourth proportional to 320,582.25, 442,365.21 and 177,322.82 is: 244,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,582.25 : 442,365.21 = 177,322.82 : x
  2. Step 2: Convert to fraction form
    320,582.25/442,365.21 = 177,322.82/x
  3. Step 3: Cross multiply
    320,582.25x = 442,365.21 × 177,322.82
  4. Step 4: Simplify right side
    320,582.25x = 78,441,444,295.27
  5. Step 5: Solve for x
    x = 78,441,444,295.27/320,582.25
  6. Step 6: Final answer
    x = 244,684.30

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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.