Home / 455,046.63-682,570.23-188,735.64

Finding the Fourth Proportional to 455,046.63, 682,570.23 and 188,735.64

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Solution

The fourth proportional to 455,046.63, 682,570.23 and 188,735.64 is: 283,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,046.63 : 682,570.23 = 188,735.64 : x
  2. Step 2: Convert to fraction form
    455,046.63/682,570.23 = 188,735.64/x
  3. Step 3: Cross multiply
    455,046.63x = 682,570.23 × 188,735.64
  4. Step 4: Simplify right side
    455,046.63x = 128,825,329,204.00
  5. Step 5: Solve for x
    x = 128,825,329,204.00/455,046.63
  6. Step 6: Final answer
    x = 283,103.58

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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.