Finding the Fourth Proportional to 216,810.48, 325,134.92 and 74,615.99
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Solution
The fourth proportional to 216,810.48, 325,134.92 and 74,615.99 is: 111,896.18
Step by Step Solution
- Step 1: Write the proportion equation
216,810.48 : 325,134.92 = 74,615.99 : x - Step 2: Convert to fraction form
216,810.48/325,134.92 = 74,615.99/x - Step 3: Cross multiply
216,810.48x = 325,134.92 × 74,615.99 - Step 4: Simplify right side
216,810.48x = 24,260,264,938.75 - Step 5: Solve for x
x = 24,260,264,938.75/216,810.48 - Step 6: Final answer
x = 111,896.18
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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.