Finding the Fourth Proportional to 145,647.99, 218,471.99 and 83,274.75
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Solution
The fourth proportional to 145,647.99, 218,471.99 and 83,274.75 is: 124,912.13
Step by Step Solution
- Step 1: Write the proportion equation
145,647.99 : 218,471.99 = 83,274.75 : x - Step 2: Convert to fraction form
145,647.99/218,471.99 = 83,274.75/x - Step 3: Cross multiply
145,647.99x = 218,471.99 × 83,274.75 - Step 4: Simplify right side
145,647.99x = 18,193,199,932.88 - Step 5: Solve for x
x = 18,193,199,932.88/145,647.99 - Step 6: Final answer
x = 124,912.13
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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.