Home / 376,043.03-518,976.68-214,921.27

Finding the Fourth Proportional to 376,043.03, 518,976.68 and 214,921.27

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Solution

The fourth proportional to 376,043.03, 518,976.68 and 214,921.27 is: 296,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,043.03 : 518,976.68 = 214,921.27 : x
  2. Step 2: Convert to fraction form
    376,043.03/518,976.68 = 214,921.27/x
  3. Step 3: Cross multiply
    376,043.03x = 518,976.68 × 214,921.27
  4. Step 4: Simplify right side
    376,043.03x = 111,539,127,165.98
  5. Step 5: Solve for x
    x = 111,539,127,165.98/376,043.03
  6. Step 6: Final answer
    x = 296,612.67

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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.