Finding the Fourth Proportional to 303,782.16, 455,414.76 and 185,536.44
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Solution
The fourth proportional to 303,782.16, 455,414.76 and 185,536.44 is: 278,146.79
Step by Step Solution
- Step 1: Write the proportion equation
303,782.16 : 455,414.76 = 185,536.44 : x - Step 2: Convert to fraction form
303,782.16/455,414.76 = 185,536.44/x - Step 3: Cross multiply
303,782.16x = 455,414.76 × 185,536.44 - Step 4: Simplify right side
303,782.16x = 84,496,033,293.85 - Step 5: Solve for x
x = 84,496,033,293.85/303,782.16 - Step 6: Final answer
x = 278,146.79
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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.