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Finding the Fourth Proportional to 303,798.65, 455,301.61 and 219,841.61

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Solution

The fourth proportional to 303,798.65, 455,301.61 and 219,841.61 is: 329,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,798.65 : 455,301.61 = 219,841.61 : x
  2. Step 2: Convert to fraction form
    303,798.65/455,301.61 = 219,841.61/x
  3. Step 3: Cross multiply
    303,798.65x = 455,301.61 × 219,841.61
  4. Step 4: Simplify right side
    303,798.65x = 100,094,238,977.99
  5. Step 5: Solve for x
    x = 100,094,238,977.99/303,798.65
  6. Step 6: Final answer
    x = 329,475.59

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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.