Finding the Fourth Proportional to 274,627.99, 411,791.81 and 218,065.23
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Solution
The fourth proportional to 274,627.99, 411,791.81 and 218,065.23 is: 326,978.61
Step by Step Solution
- Step 1: Write the proportion equation
274,627.99 : 411,791.81 = 218,065.23 : x - Step 2: Convert to fraction form
274,627.99/411,791.81 = 218,065.23/x - Step 3: Cross multiply
274,627.99x = 411,791.81 × 218,065.23 - Step 4: Simplify right side
274,627.99x = 89,797,476,202.71 - Step 5: Solve for x
x = 89,797,476,202.71/274,627.99 - Step 6: Final answer
x = 326,978.61
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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.