Finding the Fourth Proportional to 183,832.11, 275,981.49 and 156,305.07
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Solution
The fourth proportional to 183,832.11, 275,981.49 and 156,305.07 is: 234,655.99
Step by Step Solution
- Step 1: Write the proportion equation
183,832.11 : 275,981.49 = 156,305.07 : x - Step 2: Convert to fraction form
183,832.11/275,981.49 = 156,305.07/x - Step 3: Cross multiply
183,832.11x = 275,981.49 × 156,305.07 - Step 4: Simplify right side
183,832.11x = 43,137,306,113.15 - Step 5: Solve for x
x = 43,137,306,113.15/183,832.11 - Step 6: Final answer
x = 234,655.99
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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.