Finding the Fourth Proportional to 386,163.60, 579,202.68 and 101,882.96
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Solution
The fourth proportional to 386,163.60, 579,202.68 and 101,882.96 is: 152,813.17
Step by Step Solution
- Step 1: Write the proportion equation
386,163.60 : 579,202.68 = 101,882.96 : x - Step 2: Convert to fraction form
386,163.60/579,202.68 = 101,882.96/x - Step 3: Cross multiply
386,163.60x = 579,202.68 × 101,882.96 - Step 4: Simplify right side
386,163.60x = 59,010,883,478.33 - Step 5: Solve for x
x = 59,010,883,478.33/386,163.60 - Step 6: Final answer
x = 152,813.17
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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.