Home / 361,977.29-499,542.03-218,709.68

Finding the Fourth Proportional to 361,977.29, 499,542.03 and 218,709.68

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Solution

The fourth proportional to 361,977.29, 499,542.03 and 218,709.68 is: 301,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,977.29 : 499,542.03 = 218,709.68 : x
  2. Step 2: Convert to fraction form
    361,977.29/499,542.03 = 218,709.68/x
  3. Step 3: Cross multiply
    361,977.29x = 499,542.03 × 218,709.68
  4. Step 4: Simplify right side
    361,977.29x = 109,254,677,527.85
  5. Step 5: Solve for x
    x = 109,254,677,527.85/361,977.29
  6. Step 6: Final answer
    x = 301,827.44

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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.