Home / 351,724.15-485,379.76-190,579.07

Finding the Fourth Proportional to 351,724.15, 485,379.76 and 190,579.07

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Solution

The fourth proportional to 351,724.15, 485,379.76 and 190,579.07 is: 262,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,724.15 : 485,379.76 = 190,579.07 : x
  2. Step 2: Convert to fraction form
    351,724.15/485,379.76 = 190,579.07/x
  3. Step 3: Cross multiply
    351,724.15x = 485,379.76 × 190,579.07
  4. Step 4: Simplify right side
    351,724.15x = 92,503,223,257.62
  5. Step 5: Solve for x
    x = 92,503,223,257.62/351,724.15
  6. Step 6: Final answer
    x = 262,999.35

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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.