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Finding the Fourth Proportional to 218,392.77, 327,355.86 and 155,873.73

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Solution

The fourth proportional to 218,392.77, 327,355.86 and 155,873.73 is: 233,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,392.77 : 327,355.86 = 155,873.73 : x
  2. Step 2: Convert to fraction form
    218,392.77/327,355.86 = 155,873.73/x
  3. Step 3: Cross multiply
    218,392.77x = 327,355.86 × 155,873.73
  4. Step 4: Simplify right side
    218,392.77x = 51,026,178,935.56
  5. Step 5: Solve for x
    x = 51,026,178,935.56/218,392.77
  6. Step 6: Final answer
    x = 233,644.09

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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.