Finding the Fourth Proportional to 769,072.19, 1,153,611.11 and 236,589.53
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Solution
The fourth proportional to 769,072.19, 1,153,611.11 and 236,589.53 is: 354,885.16
Step by Step Solution
- Step 1: Write the proportion equation
769,072.19 : 1,153,611.11 = 236,589.53 : x - Step 2: Convert to fraction form
769,072.19/1,153,611.11 = 236,589.53/x - Step 3: Cross multiply
769,072.19x = 1,153,611.11 × 236,589.53 - Step 4: Simplify right side
769,072.19x = 272,932,305,141.10 - Step 5: Solve for x
x = 272,932,305,141.10/769,072.19 - Step 6: Final answer
x = 354,885.16
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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.