Finding the Fourth Proportional to 99,579.67, 149,397.18 and 43,424.68
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Solution
The fourth proportional to 99,579.67, 149,397.18 and 43,424.68 is: 65,149.09
Step by Step Solution
- Step 1: Write the proportion equation
99,579.67 : 149,397.18 = 43,424.68 : x - Step 2: Convert to fraction form
99,579.67/149,397.18 = 43,424.68/x - Step 3: Cross multiply
99,579.67x = 149,397.18 × 43,424.68 - Step 4: Simplify right side
99,579.67x = 6,487,524,734.40 - Step 5: Solve for x
x = 6,487,524,734.40/99,579.67 - Step 6: Final answer
x = 65,149.09
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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.