Finding the Fourth Proportional to 147,099.37, 202,980.88 and 82,553.80
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Solution
The fourth proportional to 147,099.37, 202,980.88 and 82,553.80 is: 113,915.12
Step by Step Solution
- Step 1: Write the proportion equation
147,099.37 : 202,980.88 = 82,553.80 : x - Step 2: Convert to fraction form
147,099.37/202,980.88 = 82,553.80/x - Step 3: Cross multiply
147,099.37x = 202,980.88 × 82,553.80 - Step 4: Simplify right side
147,099.37x = 16,756,841,956.44 - Step 5: Solve for x
x = 16,756,841,956.44/147,099.37 - Step 6: Final answer
x = 113,915.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.