Home / 331,979.29-458,100.66-188,711.35

Finding the Fourth Proportional to 331,979.29, 458,100.66 and 188,711.35

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Solution

The fourth proportional to 331,979.29, 458,100.66 and 188,711.35 is: 260,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,979.29 : 458,100.66 = 188,711.35 : x
  2. Step 2: Convert to fraction form
    331,979.29/458,100.66 = 188,711.35/x
  3. Step 3: Cross multiply
    331,979.29x = 458,100.66 × 188,711.35
  4. Step 4: Simplify right side
    331,979.29x = 86,448,793,984.49
  5. Step 5: Solve for x
    x = 86,448,793,984.49/331,979.29
  6. Step 6: Final answer
    x = 260,404.18

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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.