Finding the Fourth Proportional to 218,108.05, 327,162.12 and 68,348.31
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Solution
The fourth proportional to 218,108.05, 327,162.12 and 68,348.31 is: 102,522.48
Step by Step Solution
- Step 1: Write the proportion equation
218,108.05 : 327,162.12 = 68,348.31 : x - Step 2: Convert to fraction form
218,108.05/327,162.12 = 68,348.31/x - Step 3: Cross multiply
218,108.05x = 327,162.12 × 68,348.31 - Step 4: Simplify right side
218,108.05x = 22,360,977,998.02 - Step 5: Solve for x
x = 22,360,977,998.02/218,108.05 - Step 6: Final answer
x = 102,522.48
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1.5x scale
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.