Home / 455,132.88-682,639.38-135,277.92

Finding the Fourth Proportional to 455,132.88, 682,639.38 and 135,277.92

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Solution

The fourth proportional to 455,132.88, 682,639.38 and 135,277.92 is: 202,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,132.88 : 682,639.38 = 135,277.92 : x
  2. Step 2: Convert to fraction form
    455,132.88/682,639.38 = 135,277.92/x
  3. Step 3: Cross multiply
    455,132.88x = 682,639.38 × 135,277.92
  4. Step 4: Simplify right side
    455,132.88x = 92,346,035,436.49
  5. Step 5: Solve for x
    x = 92,346,035,436.49/455,132.88
  6. Step 6: Final answer
    x = 202,899.06

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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.