Home / 263,733.40-395,600.10-139,317.40

Finding the Fourth Proportional to 263,733.40, 395,600.10 and 139,317.40

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Solution

The fourth proportional to 263,733.40, 395,600.10 and 139,317.40 is: 208,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,733.40 : 395,600.10 = 139,317.40 : x
  2. Step 2: Convert to fraction form
    263,733.40/395,600.10 = 139,317.40/x
  3. Step 3: Cross multiply
    263,733.40x = 395,600.10 × 139,317.40
  4. Step 4: Simplify right side
    263,733.40x = 55,113,977,371.74
  5. Step 5: Solve for x
    x = 55,113,977,371.74/263,733.40
  6. Step 6: Final answer
    x = 208,976.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.