Finding the Fourth Proportional to 361,941.08, 542,738.76 and 212,226.96
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Solution
The fourth proportional to 361,941.08, 542,738.76 and 212,226.96 is: 318,239.08
Step by Step Solution
- Step 1: Write the proportion equation
361,941.08 : 542,738.76 = 212,226.96 : x - Step 2: Convert to fraction form
361,941.08/542,738.76 = 212,226.96/x - Step 3: Cross multiply
361,941.08x = 542,738.76 × 212,226.96 - Step 4: Simplify right side
361,941.08x = 115,183,797,108.97 - Step 5: Solve for x
x = 115,183,797,108.97/361,941.08 - Step 6: Final answer
x = 318,239.08
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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.