Finding the Fourth Proportional to 663,709.68, 995,568.12 and 165,073.68
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Solution
The fourth proportional to 663,709.68, 995,568.12 and 165,073.68 is: 247,611.42
Step by Step Solution
- Step 1: Write the proportion equation
663,709.68 : 995,568.12 = 165,073.68 : x - Step 2: Convert to fraction form
663,709.68/995,568.12 = 165,073.68/x - Step 3: Cross multiply
663,709.68x = 995,568.12 × 165,073.68 - Step 4: Simplify right side
663,709.68x = 164,342,093,259.08 - Step 5: Solve for x
x = 164,342,093,259.08/663,709.68 - Step 6: Final answer
x = 247,611.42
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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.