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Finding the Fourth Proportional to 331,843.60, 497,927.40 and 154,259.20

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Solution

The fourth proportional to 331,843.60, 497,927.40 and 154,259.20 is: 231,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,843.60 : 497,927.40 = 154,259.20 : x
  2. Step 2: Convert to fraction form
    331,843.60/497,927.40 = 154,259.20/x
  3. Step 3: Cross multiply
    331,843.60x = 497,927.40 × 154,259.20
  4. Step 4: Simplify right side
    331,843.60x = 76,809,882,382.08
  5. Step 5: Solve for x
    x = 76,809,882,382.08/331,843.60
  6. Step 6: Final answer
    x = 231,464.11

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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.