Finding the Fourth Proportional to 192,113.19, 288,311.54 and 92,330.91
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Solution
The fourth proportional to 192,113.19, 288,311.54 and 92,330.91 is: 138,564.49
Step by Step Solution
- Step 1: Write the proportion equation
192,113.19 : 288,311.54 = 92,330.91 : x - Step 2: Convert to fraction form
192,113.19/288,311.54 = 92,330.91/x - Step 3: Cross multiply
192,113.19x = 288,311.54 × 92,330.91 - Step 4: Simplify right side
192,113.19x = 26,620,066,390.05 - Step 5: Solve for x
x = 26,620,066,390.05/192,113.19 - Step 6: Final answer
x = 138,564.49
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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.