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Finding the Fourth Proportional to 253,077.08, 349,231.38 and 139,893.08

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Solution

The fourth proportional to 253,077.08, 349,231.38 and 139,893.08 is: 193,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,077.08 : 349,231.38 = 139,893.08 : x
  2. Step 2: Convert to fraction form
    253,077.08/349,231.38 = 139,893.08/x
  3. Step 3: Cross multiply
    253,077.08x = 349,231.38 × 139,893.08
  4. Step 4: Simplify right side
    253,077.08x = 48,855,053,380.85
  5. Step 5: Solve for x
    x = 48,855,053,380.85/253,077.08
  6. Step 6: Final answer
    x = 193,044.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.