Finding the Fourth Proportional to 308,135.96, 425,230.44 and 180,813.68
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Solution
The fourth proportional to 308,135.96, 425,230.44 and 180,813.68 is: 249,524.53
Step by Step Solution
- Step 1: Write the proportion equation
308,135.96 : 425,230.44 = 180,813.68 : x - Step 2: Convert to fraction form
308,135.96/425,230.44 = 180,813.68/x - Step 3: Cross multiply
308,135.96x = 425,230.44 × 180,813.68 - Step 4: Simplify right side
308,135.96x = 76,887,480,704.42 - Step 5: Solve for x
x = 76,887,480,704.42/308,135.96 - Step 6: Final answer
x = 249,524.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.