Finding the Fourth Proportional to 192,407.40, 288,173.70 and 98,803.80
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Solution
The fourth proportional to 192,407.40, 288,173.70 and 98,803.80 is: 147,981.09
Step by Step Solution
- Step 1: Write the proportion equation
192,407.40 : 288,173.70 = 98,803.80 : x - Step 2: Convert to fraction form
192,407.40/288,173.70 = 98,803.80/x - Step 3: Cross multiply
192,407.40x = 288,173.70 × 98,803.80 - Step 4: Simplify right side
192,407.40x = 28,472,656,620.06 - Step 5: Solve for x
x = 28,472,656,620.06/192,407.40 - Step 6: Final answer
x = 147,981.09
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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.