Finding the Fourth Proportional to 192,122.79, 288,184.19 and 65,764.68
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Solution
The fourth proportional to 192,122.79, 288,184.19 and 65,764.68 is: 98,647.02
Step by Step Solution
- Step 1: Write the proportion equation
192,122.79 : 288,184.19 = 65,764.68 : x - Step 2: Convert to fraction form
192,122.79/288,184.19 = 65,764.68/x - Step 3: Cross multiply
192,122.79x = 288,184.19 × 65,764.68 - Step 4: Simplify right side
192,122.79x = 18,952,340,707.59 - Step 5: Solve for x
x = 18,952,340,707.59/192,122.79 - Step 6: Final answer
x = 98,647.02
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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.