Finding the Fourth Proportional to 102,772.68, 154,152.86 and 27,891.17
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Solution
The fourth proportional to 102,772.68, 154,152.86 and 27,891.17 is: 41,835.07
Step by Step Solution
- Step 1: Write the proportion equation
102,772.68 : 154,152.86 = 27,891.17 : x - Step 2: Convert to fraction form
102,772.68/154,152.86 = 27,891.17/x - Step 3: Cross multiply
102,772.68x = 154,152.86 × 27,891.17 - Step 4: Simplify right side
102,772.68x = 4,299,502,714.03 - Step 5: Solve for x
x = 4,299,502,714.03/102,772.68 - Step 6: Final answer
x = 41,835.07
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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.