Finding the Fourth Proportional to 186,769.50, 257,741.91 and 119,701.50
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Solution
The fourth proportional to 186,769.50, 257,741.91 and 119,701.50 is: 165,188.07
Step by Step Solution
- Step 1: Write the proportion equation
186,769.50 : 257,741.91 = 119,701.50 : x - Step 2: Convert to fraction form
186,769.50/257,741.91 = 119,701.50/x - Step 3: Cross multiply
186,769.50x = 257,741.91 × 119,701.50 - Step 4: Simplify right side
186,769.50x = 30,852,093,239.87 - Step 5: Solve for x
x = 30,852,093,239.87/186,769.50 - Step 6: Final answer
x = 165,188.07
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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.