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Finding the Fourth Proportional to 350,576, 483,794.88 and 199,760.48

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Solution

The fourth proportional to 350,576, 483,794.88 and 199,760.48 is: 275,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,576 : 483,794.88 = 199,760.48 : x
  2. Step 2: Convert to fraction form
    350,576/483,794.88 = 199,760.48/x
  3. Step 3: Cross multiply
    350,576x = 483,794.88 × 199,760.48
  4. Step 4: Simplify right side
    350,576x = 96,643,097,450.34
  5. Step 5: Solve for x
    x = 96,643,097,450.34/350,576
  6. Step 6: Final answer
    x = 275,669.46

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1.5x scale

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.