Finding the Fourth Proportional to 186,790.50, 257,751.27 and 115,202.70
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Solution
The fourth proportional to 186,790.50, 257,751.27 and 115,202.70 is: 158,967.63
Step by Step Solution
- Step 1: Write the proportion equation
186,790.50 : 257,751.27 = 115,202.70 : x - Step 2: Convert to fraction form
186,790.50/257,751.27 = 115,202.70/x - Step 3: Cross multiply
186,790.50x = 257,751.27 × 115,202.70 - Step 4: Simplify right side
186,790.50x = 29,693,642,232.43 - Step 5: Solve for x
x = 29,693,642,232.43/186,790.50 - Step 6: Final answer
x = 158,967.63
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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.