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Finding the Fourth Proportional to 350,570.64, 483,812.80 and 199,667.60

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Solution

The fourth proportional to 350,570.64, 483,812.80 and 199,667.60 is: 275,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,570.64 : 483,812.80 = 199,667.60 : x
  2. Step 2: Convert to fraction form
    350,570.64/483,812.80 = 199,667.60/x
  3. Step 3: Cross multiply
    350,570.64x = 483,812.80 × 199,667.60
  4. Step 4: Simplify right side
    350,570.64x = 96,601,740,625.28
  5. Step 5: Solve for x
    x = 96,601,740,625.28/350,570.64
  6. Step 6: Final answer
    x = 275,555.71

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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.