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Finding the Fourth Proportional to 348,778.40, 481,282.80 and 203,596.78

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Solution

The fourth proportional to 348,778.40, 481,282.80 and 203,596.78 is: 280,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,778.40 : 481,282.80 = 203,596.78 : x
  2. Step 2: Convert to fraction form
    348,778.40/481,282.80 = 203,596.78/x
  3. Step 3: Cross multiply
    348,778.40x = 481,282.80 × 203,596.78
  4. Step 4: Simplify right side
    348,778.40x = 97,987,628,349.38
  5. Step 5: Solve for x
    x = 97,987,628,349.38/348,778.40
  6. Step 6: Final answer
    x = 280,945.23

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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.