Finding the Fourth Proportional to 121,338.92, 182,011.08 and 41,376.80
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Solution
The fourth proportional to 121,338.92, 182,011.08 and 41,376.80 is: 62,066.12
Step by Step Solution
- Step 1: Write the proportion equation
121,338.92 : 182,011.08 = 41,376.80 : x - Step 2: Convert to fraction form
121,338.92/182,011.08 = 41,376.80/x - Step 3: Cross multiply
121,338.92x = 182,011.08 × 41,376.80 - Step 4: Simplify right side
121,338.92x = 7,531,036,054.94 - Step 5: Solve for x
x = 7,531,036,054.94/121,338.92 - Step 6: Final answer
x = 62,066.12
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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.