Finding the Fourth Proportional to 355,282.60, 532,232.70 and 214,623.40
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Solution
The fourth proportional to 355,282.60, 532,232.70 and 214,623.40 is: 321,517.55
Step by Step Solution
- Step 1: Write the proportion equation
355,282.60 : 532,232.70 = 214,623.40 : x - Step 2: Convert to fraction form
355,282.60/532,232.70 = 214,623.40/x - Step 3: Cross multiply
355,282.60x = 532,232.70 × 214,623.40 - Step 4: Simplify right side
355,282.60x = 114,229,591,665.18 - Step 5: Solve for x
x = 114,229,591,665.18/355,282.60 - Step 6: Final answer
x = 321,517.55
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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.