Finding the Fourth Proportional to 212,084.96, 292,682.82 and 115,295.31
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Solution
The fourth proportional to 212,084.96, 292,682.82 and 115,295.31 is: 159,110.56
Step by Step Solution
- Step 1: Write the proportion equation
212,084.96 : 292,682.82 = 115,295.31 : x - Step 2: Convert to fraction form
212,084.96/292,682.82 = 115,295.31/x - Step 3: Cross multiply
212,084.96x = 292,682.82 × 115,295.31 - Step 4: Simplify right side
212,084.96x = 33,744,956,463.57 - Step 5: Solve for x
x = 33,744,956,463.57/212,084.96 - Step 6: Final answer
x = 159,110.56
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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.