Finding the Fourth Proportional to 219,886.06, 303,286.34 and 201,795.21
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Solution
The fourth proportional to 219,886.06, 303,286.34 and 201,795.21 is: 278,333.82
Step by Step Solution
- Step 1: Write the proportion equation
219,886.06 : 303,286.34 = 201,795.21 : x - Step 2: Convert to fraction form
219,886.06/303,286.34 = 201,795.21/x - Step 3: Cross multiply
219,886.06x = 303,286.34 × 201,795.21 - Step 4: Simplify right side
219,886.06x = 61,201,728,910.90 - Step 5: Solve for x
x = 61,201,728,910.90/219,886.06 - Step 6: Final answer
x = 278,333.82
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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.