Home / 263,314.40-394,982.53-85,822.94

Finding the Fourth Proportional to 263,314.40, 394,982.53 and 85,822.94

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Solution

The fourth proportional to 263,314.40, 394,982.53 and 85,822.94 is: 128,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314.40 : 394,982.53 = 85,822.94 : x
  2. Step 2: Convert to fraction form
    263,314.40/394,982.53 = 85,822.94/x
  3. Step 3: Cross multiply
    263,314.40x = 394,982.53 × 85,822.94
  4. Step 4: Simplify right side
    263,314.40x = 33,898,562,746.14
  5. Step 5: Solve for x
    x = 33,898,562,746.14/263,314.40
  6. Step 6: Final answer
    x = 128,737.98

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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.