Finding the Fourth Proportional to 305,866.43, 422,089.79 and 169,894.26
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Solution
The fourth proportional to 305,866.43, 422,089.79 and 169,894.26 is: 234,450.81
Step by Step Solution
- Step 1: Write the proportion equation
305,866.43 : 422,089.79 = 169,894.26 : x - Step 2: Convert to fraction form
305,866.43/422,089.79 = 169,894.26/x - Step 3: Cross multiply
305,866.43x = 422,089.79 × 169,894.26 - Step 4: Simplify right side
305,866.43x = 71,710,631,676.13 - Step 5: Solve for x
x = 71,710,631,676.13/305,866.43 - Step 6: Final answer
x = 234,450.81
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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.