Home / 303,408.37-455,203.07-90,183.34

Finding the Fourth Proportional to 303,408.37, 455,203.07 and 90,183.34

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Solution

The fourth proportional to 303,408.37, 455,203.07 and 90,183.34 is: 135,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,408.37 : 455,203.07 = 90,183.34 : x
  2. Step 2: Convert to fraction form
    303,408.37/455,203.07 = 90,183.34/x
  3. Step 3: Cross multiply
    303,408.37x = 455,203.07 × 90,183.34
  4. Step 4: Simplify right side
    303,408.37x = 41,051,730,503.92
  5. Step 5: Solve for x
    x = 41,051,730,503.92/303,408.37
  6. Step 6: Final answer
    x = 135,301.91

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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.