Finding the Fourth Proportional to 132,197.18, 198,492.58 and 53,465.18
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Solution
The fourth proportional to 132,197.18, 198,492.58 and 53,465.18 is: 80,277.37
Step by Step Solution
- Step 1: Write the proportion equation
132,197.18 : 198,492.58 = 53,465.18 : x - Step 2: Convert to fraction form
132,197.18/198,492.58 = 53,465.18/x - Step 3: Cross multiply
132,197.18x = 198,492.58 × 53,465.18 - Step 4: Simplify right side
132,197.18x = 10,612,441,518.36 - Step 5: Solve for x
x = 10,612,441,518.36/132,197.18 - Step 6: Final answer
x = 80,277.37
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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.