Finding the Fourth Proportional to 268,770.41, 403,405.05 and 135,744.08
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Solution
The fourth proportional to 268,770.41, 403,405.05 and 135,744.08 is: 203,742.09
Step by Step Solution
- Step 1: Write the proportion equation
268,770.41 : 403,405.05 = 135,744.08 : x - Step 2: Convert to fraction form
268,770.41/403,405.05 = 135,744.08/x - Step 3: Cross multiply
268,770.41x = 403,405.05 × 135,744.08 - Step 4: Simplify right side
268,770.41x = 54,759,845,362.58 - Step 5: Solve for x
x = 54,759,845,362.58/268,770.41 - Step 6: Final answer
x = 203,742.09
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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.