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Finding the Fourth Proportional to 128,254.86, 192,382.02 and 33,484.68

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Solution

The fourth proportional to 128,254.86, 192,382.02 and 33,484.68 is: 50,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,254.86 : 192,382.02 = 33,484.68 : x
  2. Step 2: Convert to fraction form
    128,254.86/192,382.02 = 33,484.68/x
  3. Step 3: Cross multiply
    128,254.86x = 192,382.02 × 33,484.68
  4. Step 4: Simplify right side
    128,254.86x = 6,441,850,377.45
  5. Step 5: Solve for x
    x = 6,441,850,377.45/128,254.86
  6. Step 6: Final answer
    x = 50,226.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.