Finding the Fourth Proportional to 216,229.59, 298,203.26 and 135,665.91
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Solution
The fourth proportional to 216,229.59, 298,203.26 and 135,665.91 is: 187,097.50
Step by Step Solution
- Step 1: Write the proportion equation
216,229.59 : 298,203.26 = 135,665.91 : x - Step 2: Convert to fraction form
216,229.59/298,203.26 = 135,665.91/x - Step 3: Cross multiply
216,229.59x = 298,203.26 × 135,665.91 - Step 4: Simplify right side
216,229.59x = 40,456,015,954.54 - Step 5: Solve for x
x = 40,456,015,954.54/216,229.59 - Step 6: Final answer
x = 187,097.50
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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.