Home / 376,279.50-519,266.07-215,137.92

Finding the Fourth Proportional to 376,279.50, 519,266.07 and 215,137.92

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Solution

The fourth proportional to 376,279.50, 519,266.07 and 215,137.92 is: 296,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,279.50 : 519,266.07 = 215,137.92 : x
  2. Step 2: Convert to fraction form
    376,279.50/519,266.07 = 215,137.92/x
  3. Step 3: Cross multiply
    376,279.50x = 519,266.07 × 215,137.92
  4. Step 4: Simplify right side
    376,279.50x = 111,713,822,226.37
  5. Step 5: Solve for x
    x = 111,713,822,226.37/376,279.50
  6. Step 6: Final answer
    x = 296,890.54

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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.