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Finding the Fourth Proportional to 348,169.68, 480,469.32 and 193,116.24

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Solution

The fourth proportional to 348,169.68, 480,469.32 and 193,116.24 is: 266,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,169.68 : 480,469.32 = 193,116.24 : x
  2. Step 2: Convert to fraction form
    348,169.68/480,469.32 = 193,116.24/x
  3. Step 3: Cross multiply
    348,169.68x = 480,469.32 × 193,116.24
  4. Step 4: Simplify right side
    348,169.68x = 92,786,428,513.76
  5. Step 5: Solve for x
    x = 92,786,428,513.76/348,169.68
  6. Step 6: Final answer
    x = 266,497.73

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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.