Finding the Fourth Proportional to 218,294.21, 327,495.80 and 76,141.53
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Solution
The fourth proportional to 218,294.21, 327,495.80 and 76,141.53 is: 114,231.30
Step by Step Solution
- Step 1: Write the proportion equation
218,294.21 : 327,495.80 = 76,141.53 : x - Step 2: Convert to fraction form
218,294.21/327,495.80 = 76,141.53/x - Step 3: Cross multiply
218,294.21x = 327,495.80 × 76,141.53 - Step 4: Simplify right side
218,294.21x = 24,936,032,699.04 - Step 5: Solve for x
x = 24,936,032,699.04/218,294.21 - Step 6: Final answer
x = 114,231.30
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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.