Home / 379,277.46-568,938.06-142,622.19

Finding the Fourth Proportional to 379,277.46, 568,938.06 and 142,622.19

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Solution

The fourth proportional to 379,277.46, 568,938.06 and 142,622.19 is: 213,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,277.46 : 568,938.06 = 142,622.19 : x
  2. Step 2: Convert to fraction form
    379,277.46/568,938.06 = 142,622.19/x
  3. Step 3: Cross multiply
    379,277.46x = 568,938.06 × 142,622.19
  4. Step 4: Simplify right side
    379,277.46x = 81,143,192,091.55
  5. Step 5: Solve for x
    x = 81,143,192,091.55/379,277.46
  6. Step 6: Final answer
    x = 213,941.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.