Home / 254,186.47-350,764.69-145,287.54

Finding the Fourth Proportional to 254,186.47, 350,764.69 and 145,287.54

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Solution

The fourth proportional to 254,186.47, 350,764.69 and 145,287.54 is: 200,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,186.47 : 350,764.69 = 145,287.54 : x
  2. Step 2: Convert to fraction form
    254,186.47/350,764.69 = 145,287.54/x
  3. Step 3: Cross multiply
    254,186.47x = 350,764.69 × 145,287.54
  4. Step 4: Simplify right side
    254,186.47x = 50,961,738,565.74
  5. Step 5: Solve for x
    x = 50,961,738,565.74/254,186.47
  6. Step 6: Final answer
    x = 200,489.58

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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.