Finding the Fourth Proportional to 219,942.58, 331,562.03 and 205,295.08
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Solution
The fourth proportional to 219,942.58, 331,562.03 and 205,295.08 is: 309,481.02
Step by Step Solution
- Step 1: Write the proportion equation
219,942.58 : 331,562.03 = 205,295.08 : x - Step 2: Convert to fraction form
219,942.58/331,562.03 = 205,295.08/x - Step 3: Cross multiply
219,942.58x = 331,562.03 × 205,295.08 - Step 4: Simplify right side
219,942.58x = 68,068,053,473.81 - Step 5: Solve for x
x = 68,068,053,473.81/219,942.58 - Step 6: Final answer
x = 309,481.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.