Finding the Fourth Proportional to 146,983.68, 202,837.32 and 79,915.68
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Solution
The fourth proportional to 146,983.68, 202,837.32 and 79,915.68 is: 110,283.55
Step by Step Solution
- Step 1: Write the proportion equation
146,983.68 : 202,837.32 = 79,915.68 : x - Step 2: Convert to fraction form
146,983.68/202,837.32 = 79,915.68/x - Step 3: Cross multiply
146,983.68x = 202,837.32 × 79,915.68 - Step 4: Simplify right side
146,983.68x = 16,209,882,357.18 - Step 5: Solve for x
x = 16,209,882,357.18/146,983.68 - Step 6: Final answer
x = 110,283.55
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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.