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Finding the Fourth Proportional to 301,902.66, 452,857.50 and 131,085

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Solution

The fourth proportional to 301,902.66, 452,857.50 and 131,085 is: 196,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,902.66 : 452,857.50 = 131,085 : x
  2. Step 2: Convert to fraction form
    301,902.66/452,857.50 = 131,085/x
  3. Step 3: Cross multiply
    301,902.66x = 452,857.50 × 131,085
  4. Step 4: Simplify right side
    301,902.66x = 59,362,825,387.50
  5. Step 5: Solve for x
    x = 59,362,825,387.50/301,902.66
  6. Step 6: Final answer
    x = 196,629.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.