Home / 376,581.54-519,691.36-215,451.58

Finding the Fourth Proportional to 376,581.54, 519,691.36 and 215,451.58

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Solution

The fourth proportional to 376,581.54, 519,691.36 and 215,451.58 is: 297,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,581.54 : 519,691.36 = 215,451.58 : x
  2. Step 2: Convert to fraction form
    376,581.54/519,691.36 = 215,451.58/x
  3. Step 3: Cross multiply
    376,581.54x = 519,691.36 × 215,451.58
  4. Step 4: Simplify right side
    376,581.54x = 111,968,324,624.35
  5. Step 5: Solve for x
    x = 111,968,324,624.35/376,581.54
  6. Step 6: Final answer
    x = 297,328.24

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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.