Finding the Fourth Proportional to 135,777.52, 203,617.68 and 47,007.19
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Solution
The fourth proportional to 135,777.52, 203,617.68 and 47,007.19 is: 70,493.96
Step by Step Solution
- Step 1: Write the proportion equation
135,777.52 : 203,617.68 = 47,007.19 : x - Step 2: Convert to fraction form
135,777.52/203,617.68 = 47,007.19/x - Step 3: Cross multiply
135,777.52x = 203,617.68 × 47,007.19 - Step 4: Simplify right side
135,777.52x = 9,571,494,971.12 - Step 5: Solve for x
x = 9,571,494,971.12/135,777.52 - Step 6: Final answer
x = 70,493.96
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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.