Finding the Fourth Proportional to 291,517.80, 437,276.70 and 166,771.32
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Solution
The fourth proportional to 291,517.80, 437,276.70 and 166,771.32 is: 250,156.98
Step by Step Solution
- Step 1: Write the proportion equation
291,517.80 : 437,276.70 = 166,771.32 : x - Step 2: Convert to fraction form
291,517.80/437,276.70 = 166,771.32/x - Step 3: Cross multiply
291,517.80x = 437,276.70 × 166,771.32 - Step 4: Simplify right side
291,517.80x = 72,925,212,464.24 - Step 5: Solve for x
x = 72,925,212,464.24/291,517.80 - Step 6: Final answer
x = 250,156.98
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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.