Finding the Fourth Proportional to 751,285.36, 1,126,940.39 and 211,554.62
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Solution
The fourth proportional to 751,285.36, 1,126,940.39 and 211,554.62 is: 317,335.40
Step by Step Solution
- Step 1: Write the proportion equation
751,285.36 : 1,126,940.39 = 211,554.62 : x - Step 2: Convert to fraction form
751,285.36/1,126,940.39 = 211,554.62/x - Step 3: Cross multiply
751,285.36x = 1,126,940.39 × 211,554.62 - Step 4: Simplify right side
751,285.36x = 238,409,439,276.63 - Step 5: Solve for x
x = 238,409,439,276.63/751,285.36 - Step 6: Final answer
x = 317,335.40
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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.