Finding the Fourth Proportional to 216,553.05, 324,763.95 and 64,760.19
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Solution
The fourth proportional to 216,553.05, 324,763.95 and 64,760.19 is: 97,120.66
Step by Step Solution
- Step 1: Write the proportion equation
216,553.05 : 324,763.95 = 64,760.19 : x - Step 2: Convert to fraction form
216,553.05/324,763.95 = 64,760.19/x - Step 3: Cross multiply
216,553.05x = 324,763.95 × 64,760.19 - Step 4: Simplify right side
216,553.05x = 21,031,775,107.15 - Step 5: Solve for x
x = 21,031,775,107.15/216,553.05 - Step 6: Final answer
x = 97,120.66
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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.