Finding the Fourth Proportional to 216,946.91, 299,351.09 and 136,317.33
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Solution
The fourth proportional to 216,946.91, 299,351.09 and 136,317.33 is: 188,095.52
Step by Step Solution
- Step 1: Write the proportion equation
216,946.91 : 299,351.09 = 136,317.33 : x - Step 2: Convert to fraction form
216,946.91/299,351.09 = 136,317.33/x - Step 3: Cross multiply
216,946.91x = 299,351.09 × 136,317.33 - Step 4: Simplify right side
216,946.91x = 40,806,741,662.18 - Step 5: Solve for x
x = 40,806,741,662.18/216,946.91 - Step 6: Final answer
x = 188,095.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.