Finding the Fourth Proportional to 253,501.75, 380,626.44 and 141,400.99
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Solution
The fourth proportional to 253,501.75, 380,626.44 and 141,400.99 is: 212,310.00
Step by Step Solution
- Step 1: Write the proportion equation
253,501.75 : 380,626.44 = 141,400.99 : x - Step 2: Convert to fraction form
253,501.75/380,626.44 = 141,400.99/x - Step 3: Cross multiply
253,501.75x = 380,626.44 × 141,400.99 - Step 4: Simplify right side
253,501.75x = 53,820,955,436.18 - Step 5: Solve for x
x = 53,820,955,436.18/253,501.75 - Step 6: Final answer
x = 212,310.00
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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.