Finding the Fourth Proportional to 242,203.11, 363,306.69 and 84,431.31
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Solution
The fourth proportional to 242,203.11, 363,306.69 and 84,431.31 is: 126,647.67
Step by Step Solution
- Step 1: Write the proportion equation
242,203.11 : 363,306.69 = 84,431.31 : x - Step 2: Convert to fraction form
242,203.11/363,306.69 = 84,431.31/x - Step 3: Cross multiply
242,203.11x = 363,306.69 × 84,431.31 - Step 4: Simplify right side
242,203.11x = 30,674,459,768.46 - Step 5: Solve for x
x = 30,674,459,768.46/242,203.11 - Step 6: Final answer
x = 126,647.67
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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.