Finding the Fourth Proportional to 253,232.70, 379,849.05 and 103,374.60
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Solution
The fourth proportional to 253,232.70, 379,849.05 and 103,374.60 is: 155,061.90
Step by Step Solution
- Step 1: Write the proportion equation
253,232.70 : 379,849.05 = 103,374.60 : x - Step 2: Convert to fraction form
253,232.70/379,849.05 = 103,374.60/x - Step 3: Cross multiply
253,232.70x = 379,849.05 × 103,374.60 - Step 4: Simplify right side
253,232.70x = 39,266,743,604.13 - Step 5: Solve for x
x = 39,266,743,604.13/253,232.70 - Step 6: Final answer
x = 155,061.90
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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.