Finding the Fourth Proportional to 165,716.70, 248,575.05 and 102,731.10
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Solution
The fourth proportional to 165,716.70, 248,575.05 and 102,731.10 is: 154,096.65
Step by Step Solution
- Step 1: Write the proportion equation
165,716.70 : 248,575.05 = 102,731.10 : x - Step 2: Convert to fraction form
165,716.70/248,575.05 = 102,731.10/x - Step 3: Cross multiply
165,716.70x = 248,575.05 × 102,731.10 - Step 4: Simplify right side
165,716.70x = 25,536,388,319.06 - Step 5: Solve for x
x = 25,536,388,319.06/165,716.70 - Step 6: Final answer
x = 154,096.65
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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.