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Finding the Fourth Proportional to 304,349.82, 456,277.33 and 126,988.98

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Solution

The fourth proportional to 304,349.82, 456,277.33 and 126,988.98 is: 190,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,349.82 : 456,277.33 = 126,988.98 : x
  2. Step 2: Convert to fraction form
    304,349.82/456,277.33 = 126,988.98/x
  3. Step 3: Cross multiply
    304,349.82x = 456,277.33 × 126,988.98
  4. Step 4: Simplify right side
    304,349.82x = 57,942,192,733.82
  5. Step 5: Solve for x
    x = 57,942,192,733.82/304,349.82
  6. Step 6: Final answer
    x = 190,380.24

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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.