Finding the Fourth Proportional to 145,548.99, 218,323.46 and 40,367.97
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Solution
The fourth proportional to 145,548.99, 218,323.46 and 40,367.97 is: 60,551.95
Step by Step Solution
- Step 1: Write the proportion equation
145,548.99 : 218,323.46 = 40,367.97 : x - Step 2: Convert to fraction form
145,548.99/218,323.46 = 40,367.97/x - Step 3: Cross multiply
145,548.99x = 218,323.46 × 40,367.97 - Step 4: Simplify right side
145,548.99x = 8,813,274,984.50 - Step 5: Solve for x
x = 8,813,274,984.50/145,548.99 - Step 6: Final answer
x = 60,551.95
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1.5x scale
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.