Finding the Fourth Proportional to 197,436.05, 296,190.99 and 79,116.62
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Solution
The fourth proportional to 197,436.05, 296,190.99 and 79,116.62 is: 118,689.72
Step by Step Solution
- Step 1: Write the proportion equation
197,436.05 : 296,190.99 = 79,116.62 : x - Step 2: Convert to fraction form
197,436.05/296,190.99 = 79,116.62/x - Step 3: Cross multiply
197,436.05x = 296,190.99 × 79,116.62 - Step 4: Simplify right side
197,436.05x = 23,433,630,003.25 - Step 5: Solve for x
x = 23,433,630,003.25/197,436.05 - Step 6: Final answer
x = 118,689.72
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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.