Finding the Fourth Proportional to 445,741.29, 668,611.86 and 209,083.97
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Solution
The fourth proportional to 445,741.29, 668,611.86 and 209,083.97 is: 313,625.92
Step by Step Solution
- Step 1: Write the proportion equation
445,741.29 : 668,611.86 = 209,083.97 : x - Step 2: Convert to fraction form
445,741.29/668,611.86 = 209,083.97/x - Step 3: Cross multiply
445,741.29x = 668,611.86 × 209,083.97 - Step 4: Simplify right side
445,741.29x = 139,796,022,077.88 - Step 5: Solve for x
x = 139,796,022,077.88/445,741.29 - Step 6: Final answer
x = 313,625.92
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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.