Home / 351,739.85-485,400.20-190,599.26

Finding the Fourth Proportional to 351,739.85, 485,400.20 and 190,599.26

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Solution

The fourth proportional to 351,739.85, 485,400.20 and 190,599.26 is: 263,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,739.85 : 485,400.20 = 190,599.26 : x
  2. Step 2: Convert to fraction form
    351,739.85/485,400.20 = 190,599.26/x
  3. Step 3: Cross multiply
    351,739.85x = 485,400.20 × 190,599.26
  4. Step 4: Simplify right side
    351,739.85x = 92,516,915,543.85
  5. Step 5: Solve for x
    x = 92,516,915,543.85/351,739.85
  6. Step 6: Final answer
    x = 263,026.54

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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.