Home / 313,046.94-431,738.36-240,625.35

Finding the Fourth Proportional to 313,046.94, 431,738.36 and 240,625.35

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Solution

The fourth proportional to 313,046.94, 431,738.36 and 240,625.35 is: 331,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,046.94 : 431,738.36 = 240,625.35 : x
  2. Step 2: Convert to fraction form
    313,046.94/431,738.36 = 240,625.35/x
  3. Step 3: Cross multiply
    313,046.94x = 431,738.36 × 240,625.35
  4. Step 4: Simplify right side
    313,046.94x = 103,887,193,682.64
  5. Step 5: Solve for x
    x = 103,887,193,682.64/313,046.94
  6. Step 6: Final answer
    x = 331,858.19

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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.