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Finding the Fourth Proportional to 254,598.33, 351,345.89 and 139,884.37

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Solution

The fourth proportional to 254,598.33, 351,345.89 and 139,884.37 is: 193,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,598.33 : 351,345.89 = 139,884.37 : x
  2. Step 2: Convert to fraction form
    254,598.33/351,345.89 = 139,884.37/x
  3. Step 3: Cross multiply
    254,598.33x = 351,345.89 × 139,884.37
  4. Step 4: Simplify right side
    254,598.33x = 49,147,798,474.74
  5. Step 5: Solve for x
    x = 49,147,798,474.74/254,598.33
  6. Step 6: Final answer
    x = 193,040.54

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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.