Finding the Fourth Proportional to 496,450.42, 744,990.41 and 212,143.05
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Solution
The fourth proportional to 496,450.42, 744,990.41 and 212,143.05 is: 318,349.09
Step by Step Solution
- Step 1: Write the proportion equation
496,450.42 : 744,990.41 = 212,143.05 : x - Step 2: Convert to fraction form
496,450.42/744,990.41 = 212,143.05/x - Step 3: Cross multiply
496,450.42x = 744,990.41 × 212,143.05 - Step 4: Simplify right side
496,450.42x = 158,044,538,328.51 - Step 5: Solve for x
x = 158,044,538,328.51/496,450.42 - Step 6: Final answer
x = 318,349.09
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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.