Finding the Fourth Proportional to 137,366.62, 206,181.18 and 84,878.62
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Solution
The fourth proportional to 137,366.62, 206,181.18 and 84,878.62 is: 127,399.03
Step by Step Solution
- Step 1: Write the proportion equation
137,366.62 : 206,181.18 = 84,878.62 : x - Step 2: Convert to fraction form
137,366.62/206,181.18 = 84,878.62/x - Step 3: Cross multiply
137,366.62x = 206,181.18 × 84,878.62 - Step 4: Simplify right side
137,366.62x = 17,500,374,028.37 - Step 5: Solve for x
x = 17,500,374,028.37/137,366.62 - Step 6: Final answer
x = 127,399.03
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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.