Home / 455,004.54-682,215.21-188,948.70

Finding the Fourth Proportional to 455,004.54, 682,215.21 and 188,948.70

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Solution

The fourth proportional to 455,004.54, 682,215.21 and 188,948.70 is: 283,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,004.54 : 682,215.21 = 188,948.70 : x
  2. Step 2: Convert to fraction form
    455,004.54/682,215.21 = 188,948.70/x
  3. Step 3: Cross multiply
    455,004.54x = 682,215.21 × 188,948.70
  4. Step 4: Simplify right side
    455,004.54x = 128,903,677,049.73
  5. Step 5: Solve for x
    x = 128,903,677,049.73/455,004.54
  6. Step 6: Final answer
    x = 283,301.96

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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.