Finding the Fourth Proportional to 137,447.92, 206,106.60 and 53,247.52
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Solution
The fourth proportional to 137,447.92, 206,106.60 and 53,247.52 is: 79,845.99
Step by Step Solution
- Step 1: Write the proportion equation
137,447.92 : 206,106.60 = 53,247.52 : x - Step 2: Convert to fraction form
137,447.92/206,106.60 = 53,247.52/x - Step 3: Cross multiply
137,447.92x = 206,106.60 × 53,247.52 - Step 4: Simplify right side
137,447.92x = 10,974,665,305.63 - Step 5: Solve for x
x = 10,974,665,305.63/137,447.92 - Step 6: Final answer
x = 79,845.99
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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.