Home / 278,452.22-384,264.44-151,127.81

Finding the Fourth Proportional to 278,452.22, 384,264.44 and 151,127.81

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Solution

The fourth proportional to 278,452.22, 384,264.44 and 151,127.81 is: 208,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,452.22 : 384,264.44 = 151,127.81 : x
  2. Step 2: Convert to fraction form
    278,452.22/384,264.44 = 151,127.81/x
  3. Step 3: Cross multiply
    278,452.22x = 384,264.44 × 151,127.81
  4. Step 4: Simplify right side
    278,452.22x = 58,073,042,608.84
  5. Step 5: Solve for x
    x = 58,073,042,608.84/278,452.22
  6. Step 6: Final answer
    x = 208,556.58

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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.