Finding the Fourth Proportional to 769,180.08, 1,153,879.47 and 236,745.48
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Solution
The fourth proportional to 769,180.08, 1,153,879.47 and 236,745.48 is: 355,151.88
Step by Step Solution
- Step 1: Write the proportion equation
769,180.08 : 1,153,879.47 = 236,745.48 : x - Step 2: Convert to fraction form
769,180.08/1,153,879.47 = 236,745.48/x - Step 3: Cross multiply
769,180.08x = 1,153,879.47 × 236,745.48 - Step 4: Simplify right side
769,180.08x = 273,175,748,987.30 - Step 5: Solve for x
x = 273,175,748,987.30/769,180.08 - Step 6: Final answer
x = 355,151.88
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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.