Home / 376,171.02-519,115.97-215,029.53

Finding the Fourth Proportional to 376,171.02, 519,115.97 and 215,029.53

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Solution

The fourth proportional to 376,171.02, 519,115.97 and 215,029.53 is: 296,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,171.02 : 519,115.97 = 215,029.53 : x
  2. Step 2: Convert to fraction form
    376,171.02/519,115.97 = 215,029.53/x
  3. Step 3: Cross multiply
    376,171.02x = 519,115.97 × 215,029.53
  4. Step 4: Simplify right side
    376,171.02x = 111,625,261,969.45
  5. Step 5: Solve for x
    x = 111,625,261,969.45/376,171.02
  6. Step 6: Final answer
    x = 296,740.73

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1.5x scale

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.