Finding the Fourth Proportional to 291,093.46, 436,615.18 and 177,211.70
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Solution
The fourth proportional to 291,093.46, 436,615.18 and 177,211.70 is: 265,802.32
Step by Step Solution
- Step 1: Write the proportion equation
291,093.46 : 436,615.18 = 177,211.70 : x - Step 2: Convert to fraction form
291,093.46/436,615.18 = 177,211.70/x - Step 3: Cross multiply
291,093.46x = 436,615.18 × 177,211.70 - Step 4: Simplify right side
291,093.46x = 77,373,318,293.61 - Step 5: Solve for x
x = 77,373,318,293.61/291,093.46 - Step 6: Final answer
x = 265,802.32
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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.