Home / 270,629.78-373,508.62-155,886.12

Finding the Fourth Proportional to 270,629.78, 373,508.62 and 155,886.12

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Solution

The fourth proportional to 270,629.78, 373,508.62 and 155,886.12 is: 215,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,629.78 : 373,508.62 = 155,886.12 : x
  2. Step 2: Convert to fraction form
    270,629.78/373,508.62 = 155,886.12/x
  3. Step 3: Cross multiply
    270,629.78x = 373,508.62 × 155,886.12
  4. Step 4: Simplify right side
    270,629.78x = 58,224,809,168.64
  5. Step 5: Solve for x
    x = 58,224,809,168.64/270,629.78
  6. Step 6: Final answer
    x = 215,145.61

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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.