Home / 351,724.31-485,379.98-190,579.23

Finding the Fourth Proportional to 351,724.31, 485,379.98 and 190,579.23

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Solution

The fourth proportional to 351,724.31, 485,379.98 and 190,579.23 is: 262,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,724.31 : 485,379.98 = 190,579.23 : x
  2. Step 2: Convert to fraction form
    351,724.31/485,379.98 = 190,579.23/x
  3. Step 3: Cross multiply
    351,724.31x = 485,379.98 × 190,579.23
  4. Step 4: Simplify right side
    351,724.31x = 92,503,341,892.92
  5. Step 5: Solve for x
    x = 92,503,341,892.92/351,724.31
  6. Step 6: Final answer
    x = 262,999.57

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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.