Finding the Fourth Proportional to 543,517.60, 815,304.80 and 164,428.80
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Solution
The fourth proportional to 543,517.60, 815,304.80 and 164,428.80 is: 246,651.79
Step by Step Solution
- Step 1: Write the proportion equation
543,517.60 : 815,304.80 = 164,428.80 : x - Step 2: Convert to fraction form
543,517.60/815,304.80 = 164,428.80/x - Step 3: Cross multiply
543,517.60x = 815,304.80 × 164,428.80 - Step 4: Simplify right side
543,517.60x = 134,059,589,898.24 - Step 5: Solve for x
x = 134,059,589,898.24/543,517.60 - Step 6: Final answer
x = 246,651.79
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1.5x scale
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.