Home / 377,379.24-520,786.73-205,300.96

Finding the Fourth Proportional to 377,379.24, 520,786.73 and 205,300.96

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Solution

The fourth proportional to 377,379.24, 520,786.73 and 205,300.96 is: 283,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,379.24 : 520,786.73 = 205,300.96 : x
  2. Step 2: Convert to fraction form
    377,379.24/520,786.73 = 205,300.96/x
  3. Step 3: Cross multiply
    377,379.24x = 520,786.73 × 205,300.96
  4. Step 4: Simplify right side
    377,379.24x = 106,918,015,624.26
  5. Step 5: Solve for x
    x = 106,918,015,624.26/377,379.24
  6. Step 6: Final answer
    x = 283,317.16

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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.