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Finding the Fourth Proportional to 302,239.38, 453,342.66 and 91,860.92

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Solution

The fourth proportional to 302,239.38, 453,342.66 and 91,860.92 is: 137,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,239.38 : 453,342.66 = 91,860.92 : x
  2. Step 2: Convert to fraction form
    302,239.38/453,342.66 = 91,860.92/x
  3. Step 3: Cross multiply
    302,239.38x = 453,342.66 × 91,860.92
  4. Step 4: Simplify right side
    302,239.38x = 41,644,471,900.61
  5. Step 5: Solve for x
    x = 41,644,471,900.61/302,239.38
  6. Step 6: Final answer
    x = 137,786.39

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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.