Finding the Fourth Proportional to 242,202.99, 363,306.51 and 84,431.19
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Solution
The fourth proportional to 242,202.99, 363,306.51 and 84,431.19 is: 126,647.48
Step by Step Solution
- Step 1: Write the proportion equation
242,202.99 : 363,306.51 = 84,431.19 : x - Step 2: Convert to fraction form
242,202.99/363,306.51 = 84,431.19/x - Step 3: Cross multiply
242,202.99x = 363,306.51 × 84,431.19 - Step 4: Simplify right side
242,202.99x = 30,674,398,735.36 - Step 5: Solve for x
x = 30,674,398,735.36/242,202.99 - Step 6: Final answer
x = 126,647.48
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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.