Finding the Fourth Proportional to 135,475.20, 203,343.96 and 65,403.68
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Solution
The fourth proportional to 135,475.20, 203,343.96 and 65,403.68 is: 98,168.84
Step by Step Solution
- Step 1: Write the proportion equation
135,475.20 : 203,343.96 = 65,403.68 : x - Step 2: Convert to fraction form
135,475.20/203,343.96 = 65,403.68/x - Step 3: Cross multiply
135,475.20x = 203,343.96 × 65,403.68 - Step 4: Simplify right side
135,475.20x = 13,299,443,289.77 - Step 5: Solve for x
x = 13,299,443,289.77/135,475.20 - Step 6: Final answer
x = 98,168.84
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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.