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Finding the Fourth Proportional to 297,494.64, 446,255.33 and 84,278.34

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Solution

The fourth proportional to 297,494.64, 446,255.33 and 84,278.34 is: 126,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,494.64 : 446,255.33 = 84,278.34 : x
  2. Step 2: Convert to fraction form
    297,494.64/446,255.33 = 84,278.34/x
  3. Step 3: Cross multiply
    297,494.64x = 446,255.33 × 84,278.34
  4. Step 4: Simplify right side
    297,494.64x = 37,609,658,007.16
  5. Step 5: Solve for x
    x = 37,609,658,007.16/297,494.64
  6. Step 6: Final answer
    x = 126,421.30

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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.