Home / 376,091.79-518,975.53-206,325.91

Finding the Fourth Proportional to 376,091.79, 518,975.53 and 206,325.91

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Solution

The fourth proportional to 376,091.79, 518,975.53 and 206,325.91 is: 284,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,091.79 : 518,975.53 = 206,325.91 : x
  2. Step 2: Convert to fraction form
    376,091.79/518,975.53 = 206,325.91/x
  3. Step 3: Cross multiply
    376,091.79x = 518,975.53 × 206,325.91
  4. Step 4: Simplify right side
    376,091.79x = 107,078,098,494.98
  5. Step 5: Solve for x
    x = 107,078,098,494.98/376,091.79
  6. Step 6: Final answer
    x = 284,712.67

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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.