Finding the Fourth Proportional to 78,350.98, 117,521.86 and 22,199.08
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Solution
The fourth proportional to 78,350.98, 117,521.86 and 22,199.08 is: 33,297.31
Step by Step Solution
- Step 1: Write the proportion equation
78,350.98 : 117,521.86 = 22,199.08 : x - Step 2: Convert to fraction form
78,350.98/117,521.86 = 22,199.08/x - Step 3: Cross multiply
78,350.98x = 117,521.86 × 22,199.08 - Step 4: Simplify right side
78,350.98x = 2,608,876,651.20 - Step 5: Solve for x
x = 2,608,876,651.20/78,350.98 - Step 6: Final answer
x = 33,297.31
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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.