Finding the Fourth Proportional to 324,162.68, 447,145.62 and 215,271.68
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Solution
The fourth proportional to 324,162.68, 447,145.62 and 215,271.68 is: 296,942.85
Step by Step Solution
- Step 1: Write the proportion equation
324,162.68 : 447,145.62 = 215,271.68 : x - Step 2: Convert to fraction form
324,162.68/447,145.62 = 215,271.68/x - Step 3: Cross multiply
324,162.68x = 447,145.62 × 215,271.68 - Step 4: Simplify right side
324,162.68x = 96,257,788,822.04 - Step 5: Solve for x
x = 96,257,788,822.04/324,162.68 - Step 6: Final answer
x = 296,942.85
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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.