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Finding the Fourth Proportional to 297,418.51, 446,128.05 and 244,717.21

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Solution

The fourth proportional to 297,418.51, 446,128.05 and 244,717.21 is: 367,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,418.51 : 446,128.05 = 244,717.21 : x
  2. Step 2: Convert to fraction form
    297,418.51/446,128.05 = 244,717.21/x
  3. Step 3: Cross multiply
    297,418.51x = 446,128.05 × 244,717.21
  4. Step 4: Simplify right side
    297,418.51x = 109,175,211,698.74
  5. Step 5: Solve for x
    x = 109,175,211,698.74/297,418.51
  6. Step 6: Final answer
    x = 367,076.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.