Finding the Fourth Proportional to 543,272.40, 814,409.69 and 188,037.99
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Solution
The fourth proportional to 543,272.40, 814,409.69 and 188,037.99 is: 281,884.30
Step by Step Solution
- Step 1: Write the proportion equation
543,272.40 : 814,409.69 = 188,037.99 : x - Step 2: Convert to fraction form
543,272.40/814,409.69 = 188,037.99/x - Step 3: Cross multiply
543,272.40x = 814,409.69 × 188,037.99 - Step 4: Simplify right side
543,272.40x = 153,139,960,203.93 - Step 5: Solve for x
x = 153,139,960,203.93/543,272.40 - Step 6: Final answer
x = 281,884.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.