Home / 264,146.40-395,519.76-139,224.96

Finding the Fourth Proportional to 264,146.40, 395,519.76 and 139,224.96

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Solution

The fourth proportional to 264,146.40, 395,519.76 and 139,224.96 is: 208,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,146.40 : 395,519.76 = 139,224.96 : x
  2. Step 2: Convert to fraction form
    264,146.40/395,519.76 = 139,224.96/x
  3. Step 3: Cross multiply
    264,146.40x = 395,519.76 × 139,224.96
  4. Step 4: Simplify right side
    264,146.40x = 55,066,222,765.21
  5. Step 5: Solve for x
    x = 55,066,222,765.21/264,146.40
  6. Step 6: Final answer
    x = 208,468.57

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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.