Home / 344,945.98-517,211.61-131,728.06

Finding the Fourth Proportional to 344,945.98, 517,211.61 and 131,728.06

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Solution

The fourth proportional to 344,945.98, 517,211.61 and 131,728.06 is: 197,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,945.98 : 517,211.61 = 131,728.06 : x
  2. Step 2: Convert to fraction form
    344,945.98/517,211.61 = 131,728.06/x
  3. Step 3: Cross multiply
    344,945.98x = 517,211.61 × 131,728.06
  4. Step 4: Simplify right side
    344,945.98x = 68,131,281,994.78
  5. Step 5: Solve for x
    x = 68,131,281,994.78/344,945.98
  6. Step 6: Final answer
    x = 197,512.90

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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.