Home / 263,029.64-394,085.10-218,939.72

Finding the Fourth Proportional to 263,029.64, 394,085.10 and 218,939.72

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Solution

The fourth proportional to 263,029.64, 394,085.10 and 218,939.72 is: 328,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,029.64 : 394,085.10 = 218,939.72 : x
  2. Step 2: Convert to fraction form
    263,029.64/394,085.10 = 218,939.72/x
  3. Step 3: Cross multiply
    263,029.64x = 394,085.10 × 218,939.72
  4. Step 4: Simplify right side
    263,029.64x = 86,280,881,450.17
  5. Step 5: Solve for x
    x = 86,280,881,450.17/263,029.64
  6. Step 6: Final answer
    x = 328,027.22

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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.