Finding the Fourth Proportional to 187,969.74, 281,971.19 and 53,034.99
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Solution
The fourth proportional to 187,969.74, 281,971.19 and 53,034.99 is: 79,557.16
Step by Step Solution
- Step 1: Write the proportion equation
187,969.74 : 281,971.19 = 53,034.99 : x - Step 2: Convert to fraction form
187,969.74/281,971.19 = 53,034.99/x - Step 3: Cross multiply
187,969.74x = 281,971.19 × 53,034.99 - Step 4: Simplify right side
187,969.74x = 14,954,339,282.96 - Step 5: Solve for x
x = 14,954,339,282.96/187,969.74 - Step 6: Final answer
x = 79,557.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.