Finding the Fourth Proportional to 394,182.70, 543,972.64 and 224,416.82
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Solution
The fourth proportional to 394,182.70, 543,972.64 and 224,416.82 is: 309,695.50
Step by Step Solution
- Step 1: Write the proportion equation
394,182.70 : 543,972.64 = 224,416.82 : x - Step 2: Convert to fraction form
394,182.70/543,972.64 = 224,416.82/x - Step 3: Cross multiply
394,182.70x = 543,972.64 × 224,416.82 - Step 4: Simplify right side
394,182.70x = 122,076,610,035.81 - Step 5: Solve for x
x = 122,076,610,035.81/394,182.70 - Step 6: Final answer
x = 309,695.50
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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.