Finding the Fourth Proportional to 216,522.18, 324,688.50 and 115,298.91
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Solution
The fourth proportional to 216,522.18, 324,688.50 and 115,298.91 is: 172,897.90
Step by Step Solution
- Step 1: Write the proportion equation
216,522.18 : 324,688.50 = 115,298.91 : x - Step 2: Convert to fraction form
216,522.18/324,688.50 = 115,298.91/x - Step 3: Cross multiply
216,522.18x = 324,688.50 × 115,298.91 - Step 4: Simplify right side
216,522.18x = 37,436,230,139.54 - Step 5: Solve for x
x = 37,436,230,139.54/216,522.18 - Step 6: Final answer
x = 172,897.90
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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.