Finding the Fourth Proportional to 212,170.24, 292,795.68 and 116,682.88
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Solution
The fourth proportional to 212,170.24, 292,795.68 and 116,682.88 is: 161,022.79
Step by Step Solution
- Step 1: Write the proportion equation
212,170.24 : 292,795.68 = 116,682.88 : x - Step 2: Convert to fraction form
212,170.24/292,795.68 = 116,682.88/x - Step 3: Cross multiply
212,170.24x = 292,795.68 × 116,682.88 - Step 4: Simplify right side
212,170.24x = 34,164,243,193.96 - Step 5: Solve for x
x = 34,164,243,193.96/212,170.24 - Step 6: Final answer
x = 161,022.79
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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.