Finding the Fourth Proportional to 270,260,245.80, 405,390,368.70 and 183,529,074.60
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Solution
The fourth proportional to 270,260,245.80, 405,390,368.70 and 183,529,074.60 is: 275,293,611.90
Step by Step Solution
- Step 1: Write the proportion equation
270,260,245.80 : 405,390,368.70 = 183,529,074.60 : x - Step 2: Convert to fraction form
270,260,245.80/405,390,368.70 = 183,529,074.60/x - Step 3: Cross multiply
270,260,245.80x = 405,390,368.70 × 183,529,074.60 - Step 4: Simplify right side
270,260,245.80x = 74,400,919,219,263,808 - Step 5: Solve for x
x = 74,400,919,219,263,808/270,260,245.80 - Step 6: Final answer
x = 275,293,611.90
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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.