Finding the Fourth Proportional to 418,950.24, 577,049.97 and 321,968.53
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Solution
The fourth proportional to 418,950.24, 577,049.97 and 321,968.53 is: 443,470.16
Step by Step Solution
- Step 1: Write the proportion equation
418,950.24 : 577,049.97 = 321,968.53 : x - Step 2: Convert to fraction form
418,950.24/577,049.97 = 321,968.53/x - Step 3: Cross multiply
418,950.24x = 577,049.97 × 321,968.53 - Step 4: Simplify right side
418,950.24x = 185,791,930,577.44 - Step 5: Solve for x
x = 185,791,930,577.44/418,950.24 - Step 6: Final answer
x = 443,470.16
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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.