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Finding the Fourth Proportional to 304,358.32, 456,290 and 126,997.44

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Solution

The fourth proportional to 304,358.32, 456,290 and 126,997.44 is: 190,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,358.32 : 456,290 = 126,997.44 : x
  2. Step 2: Convert to fraction form
    304,358.32/456,290 = 126,997.44/x
  3. Step 3: Cross multiply
    304,358.32x = 456,290 × 126,997.44
  4. Step 4: Simplify right side
    304,358.32x = 57,947,661,897.60
  5. Step 5: Solve for x
    x = 57,947,661,897.60/304,358.32
  6. Step 6: Final answer
    x = 190,392.90

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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.