Home / 395,404.20-593,499.96-217,994.76

Finding the Fourth Proportional to 395,404.20, 593,499.96 and 217,994.76

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Solution

The fourth proportional to 395,404.20, 593,499.96 and 217,994.76 is: 327,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,404.20 : 593,499.96 = 217,994.76 : x
  2. Step 2: Convert to fraction form
    395,404.20/593,499.96 = 217,994.76/x
  3. Step 3: Cross multiply
    395,404.20x = 593,499.96 × 217,994.76
  4. Step 4: Simplify right side
    395,404.20x = 129,379,881,340.21
  5. Step 5: Solve for x
    x = 129,379,881,340.21/395,404.20
  6. Step 6: Final answer
    x = 327,209.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.