Home / 318,552.05-477,827.49-218,408.64

Finding the Fourth Proportional to 318,552.05, 477,827.49 and 218,408.64

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Solution

The fourth proportional to 318,552.05, 477,827.49 and 218,408.64 is: 327,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,552.05 : 477,827.49 = 218,408.64 : x
  2. Step 2: Convert to fraction form
    318,552.05/477,827.49 = 218,408.64/x
  3. Step 3: Cross multiply
    318,552.05x = 477,827.49 × 218,408.64
  4. Step 4: Simplify right side
    318,552.05x = 104,361,652,245.51
  5. Step 5: Solve for x
    x = 104,361,652,245.51/318,552.05
  6. Step 6: Final answer
    x = 327,612.56

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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.