Finding the Fourth Proportional to 215,651.97, 323,477.96 and 82,573.02
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Solution
The fourth proportional to 215,651.97, 323,477.96 and 82,573.02 is: 123,859.53
Step by Step Solution
- Step 1: Write the proportion equation
215,651.97 : 323,477.96 = 82,573.02 : x - Step 2: Convert to fraction form
215,651.97/323,477.96 = 82,573.02/x - Step 3: Cross multiply
215,651.97x = 323,477.96 × 82,573.02 - Step 4: Simplify right side
215,651.97x = 26,710,551,647.77 - Step 5: Solve for x
x = 26,710,551,647.77/215,651.97 - Step 6: Final answer
x = 123,859.53
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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.