Finding the Fourth Proportional to 347,203.72, 520,847.19 and 122,517.75
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Solution
The fourth proportional to 347,203.72, 520,847.19 and 122,517.75 is: 183,791.31
Step by Step Solution
- Step 1: Write the proportion equation
347,203.72 : 520,847.19 = 122,517.75 : x - Step 2: Convert to fraction form
347,203.72/520,847.19 = 122,517.75/x - Step 3: Cross multiply
347,203.72x = 520,847.19 × 122,517.75 - Step 4: Simplify right side
347,203.72x = 63,813,025,812.62 - Step 5: Solve for x
x = 63,813,025,812.62/347,203.72 - Step 6: Final answer
x = 183,791.31
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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.