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Finding the Fourth Proportional to 324,097, 447,253.95 and 178,902.87

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Solution

The fourth proportional to 324,097, 447,253.95 and 178,902.87 is: 246,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,097 : 447,253.95 = 178,902.87 : x
  2. Step 2: Convert to fraction form
    324,097/447,253.95 = 178,902.87/x
  3. Step 3: Cross multiply
    324,097x = 447,253.95 × 178,902.87
  4. Step 4: Simplify right side
    324,097x = 80,015,015,273.84
  5. Step 5: Solve for x
    x = 80,015,015,273.84/324,097
  6. Step 6: Final answer
    x = 246,886.01

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1.5x scale

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.