Home / 320,336.98-442,074.26-177,106.24

Finding the Fourth Proportional to 320,336.98, 442,074.26 and 177,106.24

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Solution

The fourth proportional to 320,336.98, 442,074.26 and 177,106.24 is: 244,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,336.98 : 442,074.26 = 177,106.24 : x
  2. Step 2: Convert to fraction form
    320,336.98/442,074.26 = 177,106.24/x
  3. Step 3: Cross multiply
    320,336.98x = 442,074.26 × 177,106.24
  4. Step 4: Simplify right side
    320,336.98x = 78,294,109,989.38
  5. Step 5: Solve for x
    x = 78,294,109,989.38/320,336.98
  6. Step 6: Final answer
    x = 244,411.71

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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.