Home / 351,450.67-485,001.22-190,305.22

Finding the Fourth Proportional to 351,450.67, 485,001.22 and 190,305.22

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Solution

The fourth proportional to 351,450.67, 485,001.22 and 190,305.22 is: 262,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,450.67 : 485,001.22 = 190,305.22 : x
  2. Step 2: Convert to fraction form
    351,450.67/485,001.22 = 190,305.22/x
  3. Step 3: Cross multiply
    351,450.67x = 485,001.22 × 190,305.22
  4. Step 4: Simplify right side
    351,450.67x = 92,298,263,872.37
  5. Step 5: Solve for x
    x = 92,298,263,872.37/351,450.67
  6. Step 6: Final answer
    x = 262,620.82

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1.5x scale

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.