Finding the Fourth Proportional to 115,546.23, 173,318.88 and 36,666.60
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Solution
The fourth proportional to 115,546.23, 173,318.88 and 36,666.60 is: 54,999.75
Step by Step Solution
- Step 1: Write the proportion equation
115,546.23 : 173,318.88 = 36,666.60 : x - Step 2: Convert to fraction form
115,546.23/173,318.88 = 36,666.60/x - Step 3: Cross multiply
115,546.23x = 173,318.88 × 36,666.60 - Step 4: Simplify right side
115,546.23x = 6,355,014,045.41 - Step 5: Solve for x
x = 6,355,014,045.41/115,546.23 - Step 6: Final answer
x = 54,999.75
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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.