Finding the Fourth Proportional to 135,282.96, 186,674.49 and 74,845.62
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Solution
The fourth proportional to 135,282.96, 186,674.49 and 74,845.62 is: 103,278.11
Step by Step Solution
- Step 1: Write the proportion equation
135,282.96 : 186,674.49 = 74,845.62 : x - Step 2: Convert to fraction form
135,282.96/186,674.49 = 74,845.62/x - Step 3: Cross multiply
135,282.96x = 186,674.49 × 74,845.62 - Step 4: Simplify right side
135,282.96x = 13,971,767,942.23 - Step 5: Solve for x
x = 13,971,767,942.23/135,282.96 - Step 6: Final answer
x = 103,278.11
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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.