Home / 397,025.14-547,893.66-215,737.09

Finding the Fourth Proportional to 397,025.14, 547,893.66 and 215,737.09

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Solution

The fourth proportional to 397,025.14, 547,893.66 and 215,737.09 is: 297,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.14 : 547,893.66 = 215,737.09 : x
  2. Step 2: Convert to fraction form
    397,025.14/547,893.66 = 215,737.09/x
  3. Step 3: Cross multiply
    397,025.14x = 547,893.66 × 215,737.09
  4. Step 4: Simplify right side
    397,025.14x = 118,200,983,837.85
  5. Step 5: Solve for x
    x = 118,200,983,837.85/397,025.14
  6. Step 6: Final answer
    x = 297,716.62

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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.