Home / 371,961.92-513,318.06-226,776.11

Finding the Fourth Proportional to 371,961.92, 513,318.06 and 226,776.11

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Solution

The fourth proportional to 371,961.92, 513,318.06 and 226,776.11 is: 312,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,961.92 : 513,318.06 = 226,776.11 : x
  2. Step 2: Convert to fraction form
    371,961.92/513,318.06 = 226,776.11/x
  3. Step 3: Cross multiply
    371,961.92x = 513,318.06 × 226,776.11
  4. Step 4: Simplify right side
    371,961.92x = 116,408,270,272.96
  5. Step 5: Solve for x
    x = 116,408,270,272.96/371,961.92
  6. Step 6: Final answer
    x = 312,957.49

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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.