Finding the Fourth Proportional to 81,597.45, 122,399.19 and 22,437.75
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Solution
The fourth proportional to 81,597.45, 122,399.19 and 22,437.75 is: 33,657.45
Step by Step Solution
- Step 1: Write the proportion equation
81,597.45 : 122,399.19 = 22,437.75 : x - Step 2: Convert to fraction form
81,597.45/122,399.19 = 22,437.75/x - Step 3: Cross multiply
81,597.45x = 122,399.19 × 22,437.75 - Step 4: Simplify right side
81,597.45x = 2,746,362,425.42 - Step 5: Solve for x
x = 2,746,362,425.42/81,597.45 - Step 6: Final answer
x = 33,657.45
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1.5x scale
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.