Finding the Fourth Proportional to 146,817.16, 202,698.66 and 131,683.12
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Solution
The fourth proportional to 146,817.16, 202,698.66 and 131,683.12 is: 181,804.31
Step by Step Solution
- Step 1: Write the proportion equation
146,817.16 : 202,698.66 = 131,683.12 : x - Step 2: Convert to fraction form
146,817.16/202,698.66 = 131,683.12/x - Step 3: Cross multiply
146,817.16x = 202,698.66 × 131,683.12 - Step 4: Simplify right side
146,817.16x = 26,691,991,968.62 - Step 5: Solve for x
x = 26,691,991,968.62/146,817.16 - Step 6: Final answer
x = 181,804.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.