Home / 228,826.34-315,906.02-156,338.22

Finding the Fourth Proportional to 228,826.34, 315,906.02 and 156,338.22

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Solution

The fourth proportional to 228,826.34, 315,906.02 and 156,338.22 is: 215,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,826.34 : 315,906.02 = 156,338.22 : x
  2. Step 2: Convert to fraction form
    228,826.34/315,906.02 = 156,338.22/x
  3. Step 3: Cross multiply
    228,826.34x = 315,906.02 × 156,338.22
  4. Step 4: Simplify right side
    228,826.34x = 49,388,184,072.39
  5. Step 5: Solve for x
    x = 49,388,184,072.39/228,826.34
  6. Step 6: Final answer
    x = 215,832.61

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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.