Finding the Fourth Proportional to 819,792, 1,229,869.68 and 251,251.68
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Solution
The fourth proportional to 819,792, 1,229,869.68 and 251,251.68 is: 376,933.20
Step by Step Solution
- Step 1: Write the proportion equation
819,792 : 1,229,869.68 = 251,251.68 : x - Step 2: Convert to fraction form
819,792/1,229,869.68 = 251,251.68/x - Step 3: Cross multiply
819,792x = 1,229,869.68 × 251,251.68 - Step 4: Simplify right side
819,792x = 309,006,823,281.06 - Step 5: Solve for x
x = 309,006,823,281.06/819,792 - Step 6: Final answer
x = 376,933.20
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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.