Finding the Fourth Proportional to 135,276.60, 202,914.90 and 132,943.80
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Solution
The fourth proportional to 135,276.60, 202,914.90 and 132,943.80 is: 199,415.70
Step by Step Solution
- Step 1: Write the proportion equation
135,276.60 : 202,914.90 = 132,943.80 : x - Step 2: Convert to fraction form
135,276.60/202,914.90 = 132,943.80/x - Step 3: Cross multiply
135,276.60x = 202,914.90 × 132,943.80 - Step 4: Simplify right side
135,276.60x = 26,976,277,882.62 - Step 5: Solve for x
x = 26,976,277,882.62/135,276.60 - Step 6: Final answer
x = 199,415.70
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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.