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Finding the Fourth Proportional to 264,844.20, 397,266.30 and 235,813.80

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Solution

The fourth proportional to 264,844.20, 397,266.30 and 235,813.80 is: 353,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,844.20 : 397,266.30 = 235,813.80 : x
  2. Step 2: Convert to fraction form
    264,844.20/397,266.30 = 235,813.80/x
  3. Step 3: Cross multiply
    264,844.20x = 397,266.30 × 235,813.80
  4. Step 4: Simplify right side
    264,844.20x = 93,680,875,814.94
  5. Step 5: Solve for x
    x = 93,680,875,814.94/264,844.20
  6. Step 6: Final answer
    x = 353,720.70

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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.