Home / 376,137.64-519,756.19-273,984.69

Finding the Fourth Proportional to 376,137.64, 519,756.19 and 273,984.69

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Solution

The fourth proportional to 376,137.64, 519,756.19 and 273,984.69 is: 378,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,137.64 : 519,756.19 = 273,984.69 : x
  2. Step 2: Convert to fraction form
    376,137.64/519,756.19 = 273,984.69/x
  3. Step 3: Cross multiply
    376,137.64x = 519,756.19 × 273,984.69
  4. Step 4: Simplify right side
    376,137.64x = 142,405,238,557.47
  5. Step 5: Solve for x
    x = 142,405,238,557.47/376,137.64
  6. Step 6: Final answer
    x = 378,598.75

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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.