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Finding the Fourth Proportional to 458,369.48, 632,540.04 and 254,408.48

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Solution

The fourth proportional to 458,369.48, 632,540.04 and 254,408.48 is: 351,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,369.48 : 632,540.04 = 254,408.48 : x
  2. Step 2: Convert to fraction form
    458,369.48/632,540.04 = 254,408.48/x
  3. Step 3: Cross multiply
    458,369.48x = 632,540.04 × 254,408.48
  4. Step 4: Simplify right side
    458,369.48x = 160,923,550,115.54
  5. Step 5: Solve for x
    x = 160,923,550,115.54/458,369.48
  6. Step 6: Final answer
    x = 351,078.24

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1.5x scale

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.