Home / 228,408.41-315,175.72-131,643.57

Finding the Fourth Proportional to 228,408.41, 315,175.72 and 131,643.57

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Solution

The fourth proportional to 228,408.41, 315,175.72 and 131,643.57 is: 181,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,408.41 : 315,175.72 = 131,643.57 : x
  2. Step 2: Convert to fraction form
    228,408.41/315,175.72 = 131,643.57/x
  3. Step 3: Cross multiply
    228,408.41x = 315,175.72 × 131,643.57
  4. Step 4: Simplify right side
    228,408.41x = 41,490,856,958.12
  5. Step 5: Solve for x
    x = 41,490,856,958.12/228,408.41
  6. Step 6: Final answer
    x = 181,652.05

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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.