Finding the Fourth Proportional to 135,447.36, 203,247.84 and 73,116.48
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Solution
The fourth proportional to 135,447.36, 203,247.84 and 73,116.48 is: 109,716.18
Step by Step Solution
- Step 1: Write the proportion equation
135,447.36 : 203,247.84 = 73,116.48 : x - Step 2: Convert to fraction form
135,447.36/203,247.84 = 73,116.48/x - Step 3: Cross multiply
135,447.36x = 203,247.84 × 73,116.48 - Step 4: Simplify right side
135,447.36x = 14,860,766,628.40 - Step 5: Solve for x
x = 14,860,766,628.40/135,447.36 - Step 6: Final answer
x = 109,716.18
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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.