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Finding the Fourth Proportional to 356,359.60, 491,776.41 and 195,220.48

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Solution

The fourth proportional to 356,359.60, 491,776.41 and 195,220.48 is: 269,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,359.60 : 491,776.41 = 195,220.48 : x
  2. Step 2: Convert to fraction form
    356,359.60/491,776.41 = 195,220.48/x
  3. Step 3: Cross multiply
    356,359.60x = 491,776.41 × 195,220.48
  4. Step 4: Simplify right side
    356,359.60x = 96,004,826,812.88
  5. Step 5: Solve for x
    x = 96,004,826,812.88/356,359.60
  6. Step 6: Final answer
    x = 269,404.35

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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.