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Finding the Fourth Proportional to 348,626.59, 481,084.46 and 195,650.49

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Solution

The fourth proportional to 348,626.59, 481,084.46 and 195,650.49 is: 269,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,626.59 : 481,084.46 = 195,650.49 : x
  2. Step 2: Convert to fraction form
    348,626.59/481,084.46 = 195,650.49/x
  3. Step 3: Cross multiply
    348,626.59x = 481,084.46 × 195,650.49
  4. Step 4: Simplify right side
    348,626.59x = 94,124,409,616.80
  5. Step 5: Solve for x
    x = 94,124,409,616.80/348,626.59
  6. Step 6: Final answer
    x = 269,986.32

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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.