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Finding the Fourth Proportional to 664,368.30, 996,069.66 and 264,889.26

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Solution

The fourth proportional to 664,368.30, 996,069.66 and 264,889.26 is: 397,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,368.30 : 996,069.66 = 264,889.26 : x
  2. Step 2: Convert to fraction form
    664,368.30/996,069.66 = 264,889.26/x
  3. Step 3: Cross multiply
    664,368.30x = 996,069.66 × 264,889.26
  4. Step 4: Simplify right side
    664,368.30x = 263,848,155,145.85
  5. Step 5: Solve for x
    x = 263,848,155,145.85/664,368.30
  6. Step 6: Final answer
    x = 397,141.40

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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.