Finding the Fourth Proportional to 321,815.23, 482,292.93 and 169,702.09
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Solution
The fourth proportional to 321,815.23, 482,292.93 and 169,702.09 is: 254,326.43
Step by Step Solution
- Step 1: Write the proportion equation
321,815.23 : 482,292.93 = 169,702.09 : x - Step 2: Convert to fraction form
321,815.23/482,292.93 = 169,702.09/x - Step 3: Cross multiply
321,815.23x = 482,292.93 × 169,702.09 - Step 4: Simplify right side
321,815.23x = 81,846,118,213.22 - Step 5: Solve for x
x = 81,846,118,213.22/321,815.23 - Step 6: Final answer
x = 254,326.43
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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.