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Finding the Fourth Proportional to 325,382.77, 449,885.04 and 284,980.68

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Solution

The fourth proportional to 325,382.77, 449,885.04 and 284,980.68 is: 394,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,382.77 : 449,885.04 = 284,980.68 : x
  2. Step 2: Convert to fraction form
    325,382.77/449,885.04 = 284,980.68/x
  3. Step 3: Cross multiply
    325,382.77x = 449,885.04 × 284,980.68
  4. Step 4: Simplify right side
    325,382.77x = 128,208,543,552.35
  5. Step 5: Solve for x
    x = 128,208,543,552.35/325,382.77
  6. Step 6: Final answer
    x = 394,023.76

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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.