Finding the Fourth Proportional to 242,472.79, 334,622.79 and 135,042.82
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Solution
The fourth proportional to 242,472.79, 334,622.79 and 135,042.82 is: 186,364.85
Step by Step Solution
- Step 1: Write the proportion equation
242,472.79 : 334,622.79 = 135,042.82 : x - Step 2: Convert to fraction form
242,472.79/334,622.79 = 135,042.82/x - Step 3: Cross multiply
242,472.79x = 334,622.79 × 135,042.82 - Step 4: Simplify right side
242,472.79x = 45,188,405,197.87 - Step 5: Solve for x
x = 45,188,405,197.87/242,472.79 - Step 6: Final answer
x = 186,364.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.