Finding the Fourth Proportional to 232,226.90, 320,469.26 and 135,487.00
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Solution
The fourth proportional to 232,226.90, 320,469.26 and 135,487.00 is: 186,969.81
Step by Step Solution
- Step 1: Write the proportion equation
232,226.90 : 320,469.26 = 135,487.00 : x - Step 2: Convert to fraction form
232,226.90/320,469.26 = 135,487.00/x - Step 3: Cross multiply
232,226.90x = 320,469.26 × 135,487.00 - Step 4: Simplify right side
232,226.90x = 43,419,418,860.85 - Step 5: Solve for x
x = 43,419,418,860.85/232,226.90 - Step 6: Final answer
x = 186,969.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.