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Finding the Fourth Proportional to 397,241.10, 595,861.65 and 368,081.10

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Solution

The fourth proportional to 397,241.10, 595,861.65 and 368,081.10 is: 552,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,241.10 : 595,861.65 = 368,081.10 : x
  2. Step 2: Convert to fraction form
    397,241.10/595,861.65 = 368,081.10/x
  3. Step 3: Cross multiply
    397,241.10x = 595,861.65 × 368,081.10
  4. Step 4: Simplify right side
    397,241.10x = 219,325,411,579.82
  5. Step 5: Solve for x
    x = 219,325,411,579.82/397,241.10
  6. Step 6: Final answer
    x = 552,121.65

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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.