Finding the Fourth Proportional to 132,414.63, 198,622.04 and 38,985.99
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Solution
The fourth proportional to 132,414.63, 198,622.04 and 38,985.99 is: 58,479.01
Step by Step Solution
- Step 1: Write the proportion equation
132,414.63 : 198,622.04 = 38,985.99 : x - Step 2: Convert to fraction form
132,414.63/198,622.04 = 38,985.99/x - Step 3: Cross multiply
132,414.63x = 198,622.04 × 38,985.99 - Step 4: Simplify right side
132,414.63x = 7,743,476,670.29 - Step 5: Solve for x
x = 7,743,476,670.29/132,414.63 - Step 6: Final answer
x = 58,479.01
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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.