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Finding the Fourth Proportional to 263,779.90, 363,815.34 and 227,048.64

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Solution

The fourth proportional to 263,779.90, 363,815.34 and 227,048.64 is: 313,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,779.90 : 363,815.34 = 227,048.64 : x
  2. Step 2: Convert to fraction form
    263,779.90/363,815.34 = 227,048.64/x
  3. Step 3: Cross multiply
    263,779.90x = 363,815.34 × 227,048.64
  4. Step 4: Simplify right side
    263,779.90x = 82,603,778,158.14
  5. Step 5: Solve for x
    x = 82,603,778,158.14/263,779.90
  6. Step 6: Final answer
    x = 313,154.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.