Home / 397,024.14-547,892.28-215,736.09

Finding the Fourth Proportional to 397,024.14, 547,892.28 and 215,736.09

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Solution

The fourth proportional to 397,024.14, 547,892.28 and 215,736.09 is: 297,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,024.14 : 547,892.28 = 215,736.09 : x
  2. Step 2: Convert to fraction form
    397,024.14/547,892.28 = 215,736.09/x
  3. Step 3: Cross multiply
    397,024.14x = 547,892.28 × 215,736.09
  4. Step 4: Simplify right side
    397,024.14x = 118,200,138,228.39
  5. Step 5: Solve for x
    x = 118,200,138,228.39/397,024.14
  6. Step 6: Final answer
    x = 297,715.24

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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.