Finding the Fourth Proportional to 412,702.10, 569,286.96 and 259,497.44
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Solution
The fourth proportional to 412,702.10, 569,286.96 and 259,497.44 is: 357,954.34
Step by Step Solution
- Step 1: Write the proportion equation
412,702.10 : 569,286.96 = 259,497.44 : x - Step 2: Convert to fraction form
412,702.10/569,286.96 = 259,497.44/x - Step 3: Cross multiply
412,702.10x = 569,286.96 × 259,497.44 - Step 4: Simplify right side
412,702.10x = 147,728,508,745.38 - Step 5: Solve for x
x = 147,728,508,745.38/412,702.10 - Step 6: Final answer
x = 357,954.34
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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.