Finding the Fourth Proportional to 352,893.19, 529,042.21 and 153,063.09
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Solution
The fourth proportional to 352,893.19, 529,042.21 and 153,063.09 is: 229,465.57
Step by Step Solution
- Step 1: Write the proportion equation
352,893.19 : 529,042.21 = 153,063.09 : x - Step 2: Convert to fraction form
352,893.19/529,042.21 = 153,063.09/x - Step 3: Cross multiply
352,893.19x = 529,042.21 × 153,063.09 - Step 4: Simplify right side
352,893.19x = 80,976,835,403.03 - Step 5: Solve for x
x = 80,976,835,403.03/352,893.19 - Step 6: Final answer
x = 229,465.57
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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.