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Finding the Fourth Proportional to 325,280.61, 449,162.76 and 204,460.80

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Solution

The fourth proportional to 325,280.61, 449,162.76 and 204,460.80 is: 282,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,280.61 : 449,162.76 = 204,460.80 : x
  2. Step 2: Convert to fraction form
    325,280.61/449,162.76 = 204,460.80/x
  3. Step 3: Cross multiply
    325,280.61x = 449,162.76 × 204,460.80
  4. Step 4: Simplify right side
    325,280.61x = 91,836,177,239.81
  5. Step 5: Solve for x
    x = 91,836,177,239.81/325,280.61
  6. Step 6: Final answer
    x = 282,329.09

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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.