Finding the Fourth Proportional to 305,885.32, 422,189.26 and 169,965.99
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Solution
The fourth proportional to 305,885.32, 422,189.26 and 169,965.99 is: 234,590.58
Step by Step Solution
- Step 1: Write the proportion equation
305,885.32 : 422,189.26 = 169,965.99 : x - Step 2: Convert to fraction form
305,885.32/422,189.26 = 169,965.99/x - Step 3: Cross multiply
305,885.32x = 422,189.26 × 169,965.99 - Step 4: Simplify right side
305,885.32x = 71,757,815,118.35 - Step 5: Solve for x
x = 71,757,815,118.35/305,885.32 - Step 6: Final answer
x = 234,590.58
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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.