Finding the Fourth Proportional to 664,163.10, 996,244.65 and 190,820.70
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Solution
The fourth proportional to 664,163.10, 996,244.65 and 190,820.70 is: 286,231.05
Step by Step Solution
- Step 1: Write the proportion equation
664,163.10 : 996,244.65 = 190,820.70 : x - Step 2: Convert to fraction form
664,163.10/996,244.65 = 190,820.70/x - Step 3: Cross multiply
664,163.10x = 996,244.65 × 190,820.70 - Step 4: Simplify right side
664,163.10x = 190,104,101,484.26 - Step 5: Solve for x
x = 190,104,101,484.26/664,163.10 - Step 6: Final answer
x = 286,231.05
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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.