Finding the Fourth Proportional to 1,106,935.75, 1,660,374.42 and 308,185.03
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Solution
The fourth proportional to 1,106,935.75, 1,660,374.42 and 308,185.03 is: 462,269.41
Step by Step Solution
- Step 1: Write the proportion equation
1,106,935.75 : 1,660,374.42 = 308,185.03 : x - Step 2: Convert to fraction form
1,106,935.75/1,660,374.42 = 308,185.03/x - Step 3: Cross multiply
1,106,935.75x = 1,660,374.42 × 308,185.03 - Step 4: Simplify right side
1,106,935.75x = 511,702,540,438.93 - Step 5: Solve for x
x = 511,702,540,438.93/1,106,935.75 - Step 6: Final answer
x = 462,269.41
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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.