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Finding the Fourth Proportional to 599,313.60, 899,082.72 and 199,916.64

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Solution

The fourth proportional to 599,313.60, 899,082.72 and 199,916.64 is: 299,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,313.60 : 899,082.72 = 199,916.64 : x
  2. Step 2: Convert to fraction form
    599,313.60/899,082.72 = 199,916.64/x
  3. Step 3: Cross multiply
    599,313.60x = 899,082.72 × 199,916.64
  4. Step 4: Simplify right side
    599,313.60x = 179,741,596,464.46
  5. Step 5: Solve for x
    x = 179,741,596,464.46/599,313.60
  6. Step 6: Final answer
    x = 299,912.43

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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.