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Finding the Fourth Proportional to 351,194.94, 484,647.17 and 190,049.90

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Solution

The fourth proportional to 351,194.94, 484,647.17 and 190,049.90 is: 262,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,194.94 : 484,647.17 = 190,049.90 : x
  2. Step 2: Convert to fraction form
    351,194.94/484,647.17 = 190,049.90/x
  3. Step 3: Cross multiply
    351,194.94x = 484,647.17 × 190,049.90
  4. Step 4: Simplify right side
    351,194.94x = 92,107,142,820.30
  5. Step 5: Solve for x
    x = 92,107,142,820.30/351,194.94
  6. Step 6: Final answer
    x = 262,267.85

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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.