Finding the Fourth Proportional to 132,307.98, 198,465.21 and 38,816.70
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Solution
The fourth proportional to 132,307.98, 198,465.21 and 38,816.70 is: 58,226.00
Step by Step Solution
- Step 1: Write the proportion equation
132,307.98 : 198,465.21 = 38,816.70 : x - Step 2: Convert to fraction form
132,307.98/198,465.21 = 38,816.70/x - Step 3: Cross multiply
132,307.98x = 198,465.21 × 38,816.70 - Step 4: Simplify right side
132,307.98x = 7,703,764,517.01 - Step 5: Solve for x
x = 7,703,764,517.01/132,307.98 - Step 6: Final answer
x = 58,226.00
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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.