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Finding the Fourth Proportional to 331,355.60, 496,644.60 and 141,815.60

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Solution

The fourth proportional to 331,355.60, 496,644.60 and 141,815.60 is: 212,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,355.60 : 496,644.60 = 141,815.60 : x
  2. Step 2: Convert to fraction form
    331,355.60/496,644.60 = 141,815.60/x
  3. Step 3: Cross multiply
    331,355.60x = 496,644.60 × 141,815.60
  4. Step 4: Simplify right side
    331,355.60x = 70,431,951,935.76
  5. Step 5: Solve for x
    x = 70,431,951,935.76/331,355.60
  6. Step 6: Final answer
    x = 212,557.00

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1.5x scale

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.