Home / 347,216.91-520,821.64-263,491.26

Finding the Fourth Proportional to 347,216.91, 520,821.64 and 263,491.26

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Solution

The fourth proportional to 347,216.91, 520,821.64 and 263,491.26 is: 395,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,216.91 : 520,821.64 = 263,491.26 : x
  2. Step 2: Convert to fraction form
    347,216.91/520,821.64 = 263,491.26/x
  3. Step 3: Cross multiply
    347,216.91x = 520,821.64 × 263,491.26
  4. Step 4: Simplify right side
    347,216.91x = 137,231,950,158.87
  5. Step 5: Solve for x
    x = 137,231,950,158.87/347,216.91
  6. Step 6: Final answer
    x = 395,234.06

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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.