Finding the Fourth Proportional to 132,436.99, 198,651.04 and 57,557.12
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Solution
The fourth proportional to 132,436.99, 198,651.04 and 57,557.12 is: 86,333.75
Step by Step Solution
- Step 1: Write the proportion equation
132,436.99 : 198,651.04 = 57,557.12 : x - Step 2: Convert to fraction form
132,436.99/198,651.04 = 57,557.12/x - Step 3: Cross multiply
132,436.99x = 198,651.04 × 57,557.12 - Step 4: Simplify right side
132,436.99x = 11,433,781,747.40 - Step 5: Solve for x
x = 11,433,781,747.40/132,436.99 - Step 6: Final answer
x = 86,333.75
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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.