Finding the Fourth Proportional to 324,157.68, 447,138.72 and 215,266.68
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Solution
The fourth proportional to 324,157.68, 447,138.72 and 215,266.68 is: 296,935.95
Step by Step Solution
- Step 1: Write the proportion equation
324,157.68 : 447,138.72 = 215,266.68 : x - Step 2: Convert to fraction form
324,157.68/447,138.72 = 215,266.68/x - Step 3: Cross multiply
324,157.68x = 447,138.72 × 215,266.68 - Step 4: Simplify right side
324,157.68x = 96,254,067,753.85 - Step 5: Solve for x
x = 96,254,067,753.85/324,157.68 - Step 6: Final answer
x = 296,935.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.