Home / 320,724.16-442,608.84-177,497.80

Finding the Fourth Proportional to 320,724.16, 442,608.84 and 177,497.80

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Solution

The fourth proportional to 320,724.16, 442,608.84 and 177,497.80 is: 244,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,724.16 : 442,608.84 = 177,497.80 : x
  2. Step 2: Convert to fraction form
    320,724.16/442,608.84 = 177,497.80/x
  3. Step 3: Cross multiply
    320,724.16x = 442,608.84 × 177,497.80
  4. Step 4: Simplify right side
    320,724.16x = 78,562,095,360.55
  5. Step 5: Solve for x
    x = 78,562,095,360.55/320,724.16
  6. Step 6: Final answer
    x = 244,952.22

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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.