Home / 338,029.76-506,694.27-211,379.34

Finding the Fourth Proportional to 338,029.76, 506,694.27 and 211,379.34

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Solution

The fourth proportional to 338,029.76, 506,694.27 and 211,379.34 is: 316,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,029.76 : 506,694.27 = 211,379.34 : x
  2. Step 2: Convert to fraction form
    338,029.76/506,694.27 = 211,379.34/x
  3. Step 3: Cross multiply
    338,029.76x = 506,694.27 × 211,379.34
  4. Step 4: Simplify right side
    338,029.76x = 107,104,699,027.99
  5. Step 5: Solve for x
    x = 107,104,699,027.99/338,029.76
  6. Step 6: Final answer
    x = 316,849.91

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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.