Home / 320,975.91-442,946.66-177,735.92

Finding the Fourth Proportional to 320,975.91, 442,946.66 and 177,735.92

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Solution

The fourth proportional to 320,975.91, 442,946.66 and 177,735.92 is: 245,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,975.91 : 442,946.66 = 177,735.92 : x
  2. Step 2: Convert to fraction form
    320,975.91/442,946.66 = 177,735.92/x
  3. Step 3: Cross multiply
    320,975.91x = 442,946.66 × 177,735.92
  4. Step 4: Simplify right side
    320,975.91x = 78,727,529,022.61
  5. Step 5: Solve for x
    x = 78,727,529,022.61/320,975.91
  6. Step 6: Final answer
    x = 245,275.51

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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.