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Finding the Fourth Proportional to 502,874.94, 754,238.66 and 203,348.91

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Solution

The fourth proportional to 502,874.94, 754,238.66 and 203,348.91 is: 304,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,874.94 : 754,238.66 = 203,348.91 : x
  2. Step 2: Convert to fraction form
    502,874.94/754,238.66 = 203,348.91/x
  3. Step 3: Cross multiply
    502,874.94x = 754,238.66 × 203,348.91
  4. Step 4: Simplify right side
    502,874.94x = 153,373,608,374.12
  5. Step 5: Solve for x
    x = 153,373,608,374.12/502,874.94
  6. Step 6: Final answer
    x = 304,993.54

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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.