Home / 320,349.96-442,059.66-177,111.72

Finding the Fourth Proportional to 320,349.96, 442,059.66 and 177,111.72

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Solution

The fourth proportional to 320,349.96, 442,059.66 and 177,111.72 is: 244,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,349.96 : 442,059.66 = 177,111.72 : x
  2. Step 2: Convert to fraction form
    320,349.96/442,059.66 = 177,111.72/x
  3. Step 3: Cross multiply
    320,349.96x = 442,059.66 × 177,111.72
  4. Step 4: Simplify right side
    320,349.96x = 78,293,946,725.22
  5. Step 5: Solve for x
    x = 78,293,946,725.22/320,349.96
  6. Step 6: Final answer
    x = 244,401.30

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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.