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Finding the Fourth Proportional to 351,612.09, 485,227.02 and 190,467.15

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Solution

The fourth proportional to 351,612.09, 485,227.02 and 190,467.15 is: 262,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,612.09 : 485,227.02 = 190,467.15 : x
  2. Step 2: Convert to fraction form
    351,612.09/485,227.02 = 190,467.15/x
  3. Step 3: Cross multiply
    351,612.09x = 485,227.02 × 190,467.15
  4. Step 4: Simplify right side
    351,612.09x = 92,419,807,602.39
  5. Step 5: Solve for x
    x = 92,419,807,602.39/351,612.09
  6. Step 6: Final answer
    x = 262,845.93

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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.