Finding the Fourth Proportional to 308,402.67, 461,885.49 and 299,889.78
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Solution
The fourth proportional to 308,402.67, 461,885.49 and 299,889.78 is: 449,135.99
Step by Step Solution
- Step 1: Write the proportion equation
308,402.67 : 461,885.49 = 299,889.78 : x - Step 2: Convert to fraction form
308,402.67/461,885.49 = 299,889.78/x - Step 3: Cross multiply
308,402.67x = 461,885.49 × 299,889.78 - Step 4: Simplify right side
308,402.67x = 138,514,737,981.29 - Step 5: Solve for x
x = 138,514,737,981.29/308,402.67 - Step 6: Final answer
x = 449,135.99
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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.