Finding the Fourth Proportional to 407,504.09, 611,175.27 and 205,046.21
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Solution
The fourth proportional to 407,504.09, 611,175.27 and 205,046.21 is: 307,528.63
Step by Step Solution
- Step 1: Write the proportion equation
407,504.09 : 611,175.27 = 205,046.21 : x - Step 2: Convert to fraction form
407,504.09/611,175.27 = 205,046.21/x - Step 3: Cross multiply
407,504.09x = 611,175.27 × 205,046.21 - Step 4: Simplify right side
407,504.09x = 125,319,172,759.23 - Step 5: Solve for x
x = 125,319,172,759.23/407,504.09 - Step 6: Final answer
x = 307,528.63
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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.