Home / 376,183.18-519,132.80-215,041.82

Finding the Fourth Proportional to 376,183.18, 519,132.80 and 215,041.82

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Solution

The fourth proportional to 376,183.18, 519,132.80 and 215,041.82 is: 296,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,183.18 : 519,132.80 = 215,041.82 : x
  2. Step 2: Convert to fraction form
    376,183.18/519,132.80 = 215,041.82/x
  3. Step 3: Cross multiply
    376,183.18x = 519,132.80 × 215,041.82
  4. Step 4: Simplify right side
    376,183.18x = 111,635,262,356.32
  5. Step 5: Solve for x
    x = 111,635,262,356.32/376,183.18
  6. Step 6: Final answer
    x = 296,757.72

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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.