Home / 376,181.02-519,129.72-215,039.56

Finding the Fourth Proportional to 376,181.02, 519,129.72 and 215,039.56

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Solution

The fourth proportional to 376,181.02, 519,129.72 and 215,039.56 is: 296,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,181.02 : 519,129.72 = 215,039.56 : x
  2. Step 2: Convert to fraction form
    376,181.02/519,129.72 = 215,039.56/x
  3. Step 3: Cross multiply
    376,181.02x = 519,129.72 × 215,039.56
  4. Step 4: Simplify right side
    376,181.02x = 111,633,426,571.72
  5. Step 5: Solve for x
    x = 111,633,426,571.72/376,181.02
  6. Step 6: Final answer
    x = 296,754.54

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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.