Finding the Fourth Proportional to 819,942.36, 1,229,950.38 and 251,281.80
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Solution
The fourth proportional to 819,942.36, 1,229,950.38 and 251,281.80 is: 376,933.99
Step by Step Solution
- Step 1: Write the proportion equation
819,942.36 : 1,229,950.38 = 251,281.80 : x - Step 2: Convert to fraction form
819,942.36/1,229,950.38 = 251,281.80/x - Step 3: Cross multiply
819,942.36x = 1,229,950.38 × 251,281.80 - Step 4: Simplify right side
819,942.36x = 309,064,145,397.08 - Step 5: Solve for x
x = 309,064,145,397.08/819,942.36 - Step 6: Final answer
x = 376,933.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.