Finding the Fourth Proportional to 355,497.80, 532,382.70 and 188,918.60
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Solution
The fourth proportional to 355,497.80, 532,382.70 and 188,918.60 is: 282,918.75
Step by Step Solution
- Step 1: Write the proportion equation
355,497.80 : 532,382.70 = 188,918.60 : x - Step 2: Convert to fraction form
355,497.80/532,382.70 = 188,918.60/x - Step 3: Cross multiply
355,497.80x = 532,382.70 × 188,918.60 - Step 4: Simplify right side
355,497.80x = 100,576,994,348.22 - Step 5: Solve for x
x = 100,576,994,348.22/355,497.80 - Step 6: Final answer
x = 282,918.75
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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.