Finding the Fourth Proportional to 397,482.66, 548,533.08 and 216,198.54
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Solution
The fourth proportional to 397,482.66, 548,533.08 and 216,198.54 is: 298,357.80
Step by Step Solution
- Step 1: Write the proportion equation
397,482.66 : 548,533.08 = 216,198.54 : x - Step 2: Convert to fraction form
397,482.66/548,533.08 = 216,198.54/x - Step 3: Cross multiply
397,482.66x = 548,533.08 × 216,198.54 - Step 4: Simplify right side
397,482.66x = 118,592,051,037.70 - Step 5: Solve for x
x = 118,592,051,037.70/397,482.66 - Step 6: Final answer
x = 298,357.80
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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.