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Finding the Fourth Proportional to 599,965.20, 899,995.70 and 200,608.08

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Solution

The fourth proportional to 599,965.20, 899,995.70 and 200,608.08 is: 300,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,965.20 : 899,995.70 = 200,608.08 : x
  2. Step 2: Convert to fraction form
    599,965.20/899,995.70 = 200,608.08/x
  3. Step 3: Cross multiply
    599,965.20x = 899,995.70 × 200,608.08
  4. Step 4: Simplify right side
    599,965.20x = 180,546,409,385.26
  5. Step 5: Solve for x
    x = 180,546,409,385.26/599,965.20
  6. Step 6: Final answer
    x = 300,928.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.