Home / 252,408.24-378,615.67-83,928.58

Finding the Fourth Proportional to 252,408.24, 378,615.67 and 83,928.58

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Solution

The fourth proportional to 252,408.24, 378,615.67 and 83,928.58 is: 125,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,408.24 : 378,615.67 = 83,928.58 : x
  2. Step 2: Convert to fraction form
    252,408.24/378,615.67 = 83,928.58/x
  3. Step 3: Cross multiply
    252,408.24x = 378,615.67 × 83,928.58
  4. Step 4: Simplify right side
    252,408.24x = 31,776,674,392.49
  5. Step 5: Solve for x
    x = 31,776,674,392.49/252,408.24
  6. Step 6: Final answer
    x = 125,893.97

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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.