Home / 455,185.06-628,407.08-273,941.54

Finding the Fourth Proportional to 455,185.06, 628,407.08 and 273,941.54

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Solution

The fourth proportional to 455,185.06, 628,407.08 and 273,941.54 is: 378,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,185.06 : 628,407.08 = 273,941.54 : x
  2. Step 2: Convert to fraction form
    455,185.06/628,407.08 = 273,941.54/x
  3. Step 3: Cross multiply
    455,185.06x = 628,407.08 × 273,941.54
  4. Step 4: Simplify right side
    455,185.06x = 172,146,798,730.36
  5. Step 5: Solve for x
    x = 172,146,798,730.36/455,185.06
  6. Step 6: Final answer
    x = 378,190.79

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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.