Finding the Fourth Proportional to 426,546.06, 639,817.26 and 173,770.17
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Solution
The fourth proportional to 426,546.06, 639,817.26 and 173,770.17 is: 260,654.51
Step by Step Solution
- Step 1: Write the proportion equation
426,546.06 : 639,817.26 = 173,770.17 : x - Step 2: Convert to fraction form
426,546.06/639,817.26 = 173,770.17/x - Step 3: Cross multiply
426,546.06x = 639,817.26 × 173,770.17 - Step 4: Simplify right side
426,546.06x = 111,181,154,039.13 - Step 5: Solve for x
x = 111,181,154,039.13/426,546.06 - Step 6: Final answer
x = 260,654.51
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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.