Home / 320,906.24-442,850.60-177,675.51

Finding the Fourth Proportional to 320,906.24, 442,850.60 and 177,675.51

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Solution

The fourth proportional to 320,906.24, 442,850.60 and 177,675.51 is: 245,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,906.24 : 442,850.60 = 177,675.51 : x
  2. Step 2: Convert to fraction form
    320,906.24/442,850.60 = 177,675.51/x
  3. Step 3: Cross multiply
    320,906.24x = 442,850.60 × 177,675.51
  4. Step 4: Simplify right side
    320,906.24x = 78,683,706,208.81
  5. Step 5: Solve for x
    x = 78,683,706,208.81/320,906.24
  6. Step 6: Final answer
    x = 245,192.20

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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.