Finding the Fourth Proportional to 103,683.70, 155,486.49 and 33,544.18
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Solution
The fourth proportional to 103,683.70, 155,486.49 and 33,544.18 is: 50,303.63
Step by Step Solution
- Step 1: Write the proportion equation
103,683.70 : 155,486.49 = 33,544.18 : x - Step 2: Convert to fraction form
103,683.70/155,486.49 = 33,544.18/x - Step 3: Cross multiply
103,683.70x = 155,486.49 × 33,544.18 - Step 4: Simplify right side
103,683.70x = 5,215,666,808.13 - Step 5: Solve for x
x = 5,215,666,808.13/103,683.70 - Step 6: Final answer
x = 50,303.63
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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.