Home / 331,957.26-458,098.86-188,717.34

Finding the Fourth Proportional to 331,957.26, 458,098.86 and 188,717.34

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Solution

The fourth proportional to 331,957.26, 458,098.86 and 188,717.34 is: 260,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,957.26 : 458,098.86 = 188,717.34 : x
  2. Step 2: Convert to fraction form
    331,957.26/458,098.86 = 188,717.34/x
  3. Step 3: Cross multiply
    331,957.26x = 458,098.86 × 188,717.34
  4. Step 4: Simplify right side
    331,957.26x = 86,451,198,316.23
  5. Step 5: Solve for x
    x = 86,451,198,316.23/331,957.26
  6. Step 6: Final answer
    x = 260,428.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.