Finding the Fourth Proportional to 208,052.70, 312,079.05 and 133,403.10
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Solution
The fourth proportional to 208,052.70, 312,079.05 and 133,403.10 is: 200,104.65
Step by Step Solution
- Step 1: Write the proportion equation
208,052.70 : 312,079.05 = 133,403.10 : x - Step 2: Convert to fraction form
208,052.70/312,079.05 = 133,403.10/x - Step 3: Cross multiply
208,052.70x = 312,079.05 × 133,403.10 - Step 4: Simplify right side
208,052.70x = 41,632,312,715.06 - Step 5: Solve for x
x = 41,632,312,715.06/208,052.70 - Step 6: Final answer
x = 200,104.65
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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.