Home / 351,509.26-485,080.18-190,360.57

Finding the Fourth Proportional to 351,509.26, 485,080.18 and 190,360.57

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Solution

The fourth proportional to 351,509.26, 485,080.18 and 190,360.57 is: 262,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,509.26 : 485,080.18 = 190,360.57 : x
  2. Step 2: Convert to fraction form
    351,509.26/485,080.18 = 190,360.57/x
  3. Step 3: Cross multiply
    351,509.26x = 485,080.18 × 190,360.57
  4. Step 4: Simplify right side
    351,509.26x = 92,340,139,560.50
  5. Step 5: Solve for x
    x = 92,340,139,560.50/351,509.26
  6. Step 6: Final answer
    x = 262,696.18

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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.