Finding the Fourth Proportional to 394,946.49, 545,024.97 and 213,658.38
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Solution
The fourth proportional to 394,946.49, 545,024.97 and 213,658.38 is: 294,847.92
Step by Step Solution
- Step 1: Write the proportion equation
394,946.49 : 545,024.97 = 213,658.38 : x - Step 2: Convert to fraction form
394,946.49/545,024.97 = 213,658.38/x - Step 3: Cross multiply
394,946.49x = 545,024.97 × 213,658.38 - Step 4: Simplify right side
394,946.49x = 116,449,151,081.46 - Step 5: Solve for x
x = 116,449,151,081.46/394,946.49 - Step 6: Final answer
x = 294,847.92
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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.