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Finding the Fourth Proportional to 356,333.04, 491,718.60 and 195,156

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Solution

The fourth proportional to 356,333.04, 491,718.60 and 195,156 is: 269,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,333.04 : 491,718.60 = 195,156 : x
  2. Step 2: Convert to fraction form
    356,333.04/491,718.60 = 195,156/x
  3. Step 3: Cross multiply
    356,333.04x = 491,718.60 × 195,156
  4. Step 4: Simplify right side
    356,333.04x = 95,961,835,101.60
  5. Step 5: Solve for x
    x = 95,961,835,101.60/356,333.04
  6. Step 6: Final answer
    x = 269,303.78

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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.