Finding the Fourth Proportional to 216,960.93, 325,472.31 and 67,212.99
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Solution
The fourth proportional to 216,960.93, 325,472.31 and 67,212.99 is: 100,829.06
Step by Step Solution
- Step 1: Write the proportion equation
216,960.93 : 325,472.31 = 67,212.99 : x - Step 2: Convert to fraction form
216,960.93/325,472.31 = 67,212.99/x - Step 3: Cross multiply
216,960.93x = 325,472.31 × 67,212.99 - Step 4: Simplify right side
216,960.93x = 21,875,967,117.31 - Step 5: Solve for x
x = 21,875,967,117.31/216,960.93 - Step 6: Final answer
x = 100,829.06
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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.