Finding the Fourth Proportional to 216,811.23, 325,136.04 and 74,616.75
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Solution
The fourth proportional to 216,811.23, 325,136.04 and 74,616.75 is: 111,897.32
Step by Step Solution
- Step 1: Write the proportion equation
216,811.23 : 325,136.04 = 74,616.75 : x - Step 2: Convert to fraction form
216,811.23/325,136.04 = 74,616.75/x - Step 3: Cross multiply
216,811.23x = 325,136.04 × 74,616.75 - Step 4: Simplify right side
216,811.23x = 24,260,594,612.67 - Step 5: Solve for x
x = 24,260,594,612.67/216,811.23 - Step 6: Final answer
x = 111,897.32
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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.