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Finding the Fourth Proportional to 348,022.54, 480,310.85 and 195,101.96

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Solution

The fourth proportional to 348,022.54, 480,310.85 and 195,101.96 is: 269,262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,022.54 : 480,310.85 = 195,101.96 : x
  2. Step 2: Convert to fraction form
    348,022.54/480,310.85 = 195,101.96/x
  3. Step 3: Cross multiply
    348,022.54x = 480,310.85 × 195,101.96
  4. Step 4: Simplify right side
    348,022.54x = 93,709,587,268.76
  5. Step 5: Solve for x
    x = 93,709,587,268.76/348,022.54
  6. Step 6: Final answer
    x = 269,262.99

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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.