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Finding the Fourth Proportional to 265,544.33, 366,917.31 and 212,269.01

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Solution

The fourth proportional to 265,544.33, 366,917.31 and 212,269.01 is: 293,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,544.33 : 366,917.31 = 212,269.01 : x
  2. Step 2: Convert to fraction form
    265,544.33/366,917.31 = 212,269.01/x
  3. Step 3: Cross multiply
    265,544.33x = 366,917.31 × 212,269.01
  4. Step 4: Simplify right side
    265,544.33x = 77,885,172,310.98
  5. Step 5: Solve for x
    x = 77,885,172,310.98/265,544.33
  6. Step 6: Final answer
    x = 293,303.85

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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.