Finding the Fourth Proportional to 789,125.21, 1,183,863.17 and 368,171.45
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Solution
The fourth proportional to 789,125.21, 1,183,863.17 and 368,171.45 is: 552,338.99
Step by Step Solution
- Step 1: Write the proportion equation
789,125.21 : 1,183,863.17 = 368,171.45 : x - Step 2: Convert to fraction form
789,125.21/1,183,863.17 = 368,171.45/x - Step 3: Cross multiply
789,125.21x = 1,183,863.17 × 368,171.45 - Step 4: Simplify right side
789,125.21x = 435,864,614,901.61 - Step 5: Solve for x
x = 435,864,614,901.61/789,125.21 - Step 6: Final answer
x = 552,338.99
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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.