Finding the Fourth Proportional to 135,405.87, 203,134.19 and 60,528.98
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Solution
The fourth proportional to 135,405.87, 203,134.19 and 60,528.98 is: 90,804.81
Step by Step Solution
- Step 1: Write the proportion equation
135,405.87 : 203,134.19 = 60,528.98 : x - Step 2: Convert to fraction form
135,405.87/203,134.19 = 60,528.98/x - Step 3: Cross multiply
135,405.87x = 203,134.19 × 60,528.98 - Step 4: Simplify right side
135,405.87x = 12,295,504,005.51 - Step 5: Solve for x
x = 12,295,504,005.51/135,405.87 - Step 6: Final answer
x = 90,804.81
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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.