Finding the Fourth Proportional to 122,647.80, 184,230.90 and 118,241.40
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Solution
The fourth proportional to 122,647.80, 184,230.90 and 118,241.40 is: 177,611.99
Step by Step Solution
- Step 1: Write the proportion equation
122,647.80 : 184,230.90 = 118,241.40 : x - Step 2: Convert to fraction form
122,647.80/184,230.90 = 118,241.40/x - Step 3: Cross multiply
122,647.80x = 184,230.90 × 118,241.40 - Step 4: Simplify right side
122,647.80x = 21,783,719,539.26 - Step 5: Solve for x
x = 21,783,719,539.26/122,647.80 - Step 6: Final answer
x = 177,611.99
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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.