Finding the Fourth Proportional to 165,536.81, 228,441.11 and 93,902.97
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Solution
The fourth proportional to 165,536.81, 228,441.11 and 93,902.97 is: 129,586.28
Step by Step Solution
- Step 1: Write the proportion equation
165,536.81 : 228,441.11 = 93,902.97 : x - Step 2: Convert to fraction form
165,536.81/228,441.11 = 93,902.97/x - Step 3: Cross multiply
165,536.81x = 228,441.11 × 93,902.97 - Step 4: Simplify right side
165,536.81x = 21,451,298,699.10 - Step 5: Solve for x
x = 21,451,298,699.10/165,536.81 - Step 6: Final answer
x = 129,586.28
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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.