Finding the Fourth Proportional to 397,340.48, 548,330.49 and 216,052.26
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Solution
The fourth proportional to 397,340.48, 548,330.49 and 216,052.26 is: 298,152.46
Step by Step Solution
- Step 1: Write the proportion equation
397,340.48 : 548,330.49 = 216,052.26 : x - Step 2: Convert to fraction form
397,340.48/548,330.49 = 216,052.26/x - Step 3: Cross multiply
397,340.48x = 548,330.49 × 216,052.26 - Step 4: Simplify right side
397,340.48x = 118,468,041,591.41 - Step 5: Solve for x
x = 118,468,041,591.41/397,340.48 - Step 6: Final answer
x = 298,152.46
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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.