Finding the Fourth Proportional to 216,963.93, 325,476.81 and 67,215.99
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Solution
The fourth proportional to 216,963.93, 325,476.81 and 67,215.99 is: 100,833.56
Step by Step Solution
- Step 1: Write the proportion equation
216,963.93 : 325,476.81 = 67,215.99 : x - Step 2: Convert to fraction form
216,963.93/325,476.81 = 67,215.99/x - Step 3: Cross multiply
216,963.93x = 325,476.81 × 67,215.99 - Step 4: Simplify right side
216,963.93x = 21,877,246,006.19 - Step 5: Solve for x
x = 21,877,246,006.19/216,963.93 - Step 6: Final answer
x = 100,833.56
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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.