Home / 376,255.08-519,241.86-215,136.36

Finding the Fourth Proportional to 376,255.08, 519,241.86 and 215,136.36

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Solution

The fourth proportional to 376,255.08, 519,241.86 and 215,136.36 is: 296,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,255.08 : 519,241.86 = 215,136.36 : x
  2. Step 2: Convert to fraction form
    376,255.08/519,241.86 = 215,136.36/x
  3. Step 3: Cross multiply
    376,255.08x = 519,241.86 × 215,136.36
  4. Step 4: Simplify right side
    376,255.08x = 111,707,803,720.03
  5. Step 5: Solve for x
    x = 111,707,803,720.03/376,255.08
  6. Step 6: Final answer
    x = 296,893.81

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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.