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Finding the Fourth Proportional to 439,928.84, 659,597.02 and 203,141

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Solution

The fourth proportional to 439,928.84, 659,597.02 and 203,141 is: 304,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,928.84 : 659,597.02 = 203,141 : x
  2. Step 2: Convert to fraction form
    439,928.84/659,597.02 = 203,141/x
  3. Step 3: Cross multiply
    439,928.84x = 659,597.02 × 203,141
  4. Step 4: Simplify right side
    439,928.84x = 133,991,198,239.82
  5. Step 5: Solve for x
    x = 133,991,198,239.82/439,928.84
  6. Step 6: Final answer
    x = 304,574.71

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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.