Finding the Fourth Proportional to 418,148.44, 577,045.53 and 227,161.99
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Solution
The fourth proportional to 418,148.44, 577,045.53 and 227,161.99 is: 313,483.92
Step by Step Solution
- Step 1: Write the proportion equation
418,148.44 : 577,045.53 = 227,161.99 : x - Step 2: Convert to fraction form
418,148.44/577,045.53 = 227,161.99/x - Step 3: Cross multiply
418,148.44x = 577,045.53 × 227,161.99 - Step 4: Simplify right side
418,148.44x = 131,082,810,915.41 - Step 5: Solve for x
x = 131,082,810,915.41/418,148.44 - Step 6: Final answer
x = 313,483.92
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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.