Finding the Fourth Proportional to 212,032.20, 318,048.30 and 183,163.80
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Solution
The fourth proportional to 212,032.20, 318,048.30 and 183,163.80 is: 274,745.70
Step by Step Solution
- Step 1: Write the proportion equation
212,032.20 : 318,048.30 = 183,163.80 : x - Step 2: Convert to fraction form
212,032.20/318,048.30 = 183,163.80/x - Step 3: Cross multiply
212,032.20x = 318,048.30 × 183,163.80 - Step 4: Simplify right side
212,032.20x = 58,254,935,211.54 - Step 5: Solve for x
x = 58,254,935,211.54/212,032.20 - Step 6: Final answer
x = 274,745.70
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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.