Home / 376,078.98-518,912.70-223,050.02

Finding the Fourth Proportional to 376,078.98, 518,912.70 and 223,050.02

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Solution

The fourth proportional to 376,078.98, 518,912.70 and 223,050.02 is: 307,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,078.98 : 518,912.70 = 223,050.02 : x
  2. Step 2: Convert to fraction form
    376,078.98/518,912.70 = 223,050.02/x
  3. Step 3: Cross multiply
    376,078.98x = 518,912.70 × 223,050.02
  4. Step 4: Simplify right side
    376,078.98x = 115,743,488,113.25
  5. Step 5: Solve for x
    x = 115,743,488,113.25/376,078.98
  6. Step 6: Final answer
    x = 307,763.78

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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.