Home / 351,919.57-485,837.44-275,275.81

Finding the Fourth Proportional to 351,919.57, 485,837.44 and 275,275.81

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Solution

The fourth proportional to 351,919.57, 485,837.44 and 275,275.81 is: 380,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,919.57 : 485,837.44 = 275,275.81 : x
  2. Step 2: Convert to fraction form
    351,919.57/485,837.44 = 275,275.81/x
  3. Step 3: Cross multiply
    351,919.57x = 485,837.44 × 275,275.81
  4. Step 4: Simplify right side
    351,919.57x = 133,739,294,208.28
  5. Step 5: Solve for x
    x = 133,739,294,208.28/351,919.57
  6. Step 6: Final answer
    x = 380,028.01

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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.