Home / 397,041.93-547,917.44-215,753.43

Finding the Fourth Proportional to 397,041.93, 547,917.44 and 215,753.43

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Solution

The fourth proportional to 397,041.93, 547,917.44 and 215,753.43 is: 297,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,041.93 : 547,917.44 = 215,753.43 : x
  2. Step 2: Convert to fraction form
    397,041.93/547,917.44 = 215,753.43/x
  3. Step 3: Cross multiply
    397,041.93x = 547,917.44 × 215,753.43
  4. Step 4: Simplify right side
    397,041.93x = 118,215,064,297.23
  5. Step 5: Solve for x
    x = 118,215,064,297.23/397,041.93
  6. Step 6: Final answer
    x = 297,739.50

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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.