Home / 345,450.72-518,176.09-134,941.03

Finding the Fourth Proportional to 345,450.72, 518,176.09 and 134,941.03

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Solution

The fourth proportional to 345,450.72, 518,176.09 and 134,941.03 is: 202,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,450.72 : 518,176.09 = 134,941.03 : x
  2. Step 2: Convert to fraction form
    345,450.72/518,176.09 = 134,941.03/x
  3. Step 3: Cross multiply
    345,450.72x = 518,176.09 × 134,941.03
  4. Step 4: Simplify right side
    345,450.72x = 69,923,215,305.97
  5. Step 5: Solve for x
    x = 69,923,215,305.97/345,450.72
  6. Step 6: Final answer
    x = 202,411.55

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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.