Finding the Fourth Proportional to 103,683.70, 155,550.21 and 33,562.99
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Solution
The fourth proportional to 103,683.70, 155,550.21 and 33,562.99 is: 50,352.47
Step by Step Solution
- Step 1: Write the proportion equation
103,683.70 : 155,550.21 = 33,562.99 : x - Step 2: Convert to fraction form
103,683.70/155,550.21 = 33,562.99/x - Step 3: Cross multiply
103,683.70x = 155,550.21 × 33,562.99 - Step 4: Simplify right side
103,683.70x = 5,220,730,142.73 - Step 5: Solve for x
x = 5,220,730,142.73/103,683.70 - Step 6: Final answer
x = 50,352.47
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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.