Home / 397,057.14-547,937.06-215,765.64

Finding the Fourth Proportional to 397,057.14, 547,937.06 and 215,765.64

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Solution

The fourth proportional to 397,057.14, 547,937.06 and 215,765.64 is: 297,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,057.14 : 547,937.06 = 215,765.64 : x
  2. Step 2: Convert to fraction form
    397,057.14/547,937.06 = 215,765.64/x
  3. Step 3: Cross multiply
    397,057.14x = 547,937.06 × 215,765.64
  4. Step 4: Simplify right side
    397,057.14x = 118,225,990,430.62
  5. Step 5: Solve for x
    x = 118,225,990,430.62/397,057.14
  6. Step 6: Final answer
    x = 297,755.61

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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.