Finding the Fourth Proportional to 131,964.93, 197,975.41 and 43,211.88
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Solution
The fourth proportional to 131,964.93, 197,975.41 and 43,211.88 is: 64,826.99
Step by Step Solution
- Step 1: Write the proportion equation
131,964.93 : 197,975.41 = 43,211.88 : x - Step 2: Convert to fraction form
131,964.93/197,975.41 = 43,211.88/x - Step 3: Cross multiply
131,964.93x = 197,975.41 × 43,211.88 - Step 4: Simplify right side
131,964.93x = 8,554,889,551.84 - Step 5: Solve for x
x = 8,554,889,551.84/131,964.93 - Step 6: Final answer
x = 64,826.99
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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.