Finding the Fourth Proportional to 445,938.24, 669,009.51 and 193,261.14
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Solution
The fourth proportional to 445,938.24, 669,009.51 and 193,261.14 is: 289,935.98
Step by Step Solution
- Step 1: Write the proportion equation
445,938.24 : 669,009.51 = 193,261.14 : x - Step 2: Convert to fraction form
445,938.24/669,009.51 = 193,261.14/x - Step 3: Cross multiply
445,938.24x = 669,009.51 × 193,261.14 - Step 4: Simplify right side
445,938.24x = 129,293,540,573.44 - Step 5: Solve for x
x = 129,293,540,573.44/445,938.24 - Step 6: Final answer
x = 289,935.98
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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.