Home / 455,037.80-682,265.08-188,981.96

Finding the Fourth Proportional to 455,037.80, 682,265.08 and 188,981.96

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Solution

The fourth proportional to 455,037.80, 682,265.08 and 188,981.96 is: 283,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,037.80 : 682,265.08 = 188,981.96 : x
  2. Step 2: Convert to fraction form
    455,037.80/682,265.08 = 188,981.96/x
  3. Step 3: Cross multiply
    455,037.80x = 682,265.08 × 188,981.96
  4. Step 4: Simplify right side
    455,037.80x = 128,935,792,057.96
  5. Step 5: Solve for x
    x = 128,935,792,057.96/455,037.80
  6. Step 6: Final answer
    x = 283,351.83

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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.