Finding the Fourth Proportional to 769,121.44, 1,153,259.34 and 236,494.60
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Solution
The fourth proportional to 769,121.44, 1,153,259.34 and 236,494.60 is: 354,611.89
Step by Step Solution
- Step 1: Write the proportion equation
769,121.44 : 1,153,259.34 = 236,494.60 : x - Step 2: Convert to fraction form
769,121.44/1,153,259.34 = 236,494.60/x - Step 3: Cross multiply
769,121.44x = 1,153,259.34 × 236,494.60 - Step 4: Simplify right side
769,121.44x = 272,739,606,309.56 - Step 5: Solve for x
x = 272,739,606,309.56/769,121.44 - Step 6: Final answer
x = 354,611.89
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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.