Home / 331,639.62-457,736.56-210,757.34

Finding the Fourth Proportional to 331,639.62, 457,736.56 and 210,757.34

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Solution

The fourth proportional to 331,639.62, 457,736.56 and 210,757.34 is: 290,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,639.62 : 457,736.56 = 210,757.34 : x
  2. Step 2: Convert to fraction form
    331,639.62/457,736.56 = 210,757.34/x
  3. Step 3: Cross multiply
    331,639.62x = 457,736.56 × 210,757.34
  4. Step 4: Simplify right side
    331,639.62x = 96,471,339,806.35
  5. Step 5: Solve for x
    x = 96,471,339,806.35/331,639.62
  6. Step 6: Final answer
    x = 290,892.08

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1.5x scale

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.