Finding the Fourth Proportional to 242,486.11, 363,729.84 and 84,714.55
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Solution
The fourth proportional to 242,486.11, 363,729.84 and 84,714.55 is: 127,072.06
Step by Step Solution
- Step 1: Write the proportion equation
242,486.11 : 363,729.84 = 84,714.55 : x - Step 2: Convert to fraction form
242,486.11/363,729.84 = 84,714.55/x - Step 3: Cross multiply
242,486.11x = 363,729.84 × 84,714.55 - Step 4: Simplify right side
242,486.11x = 30,813,209,717.17 - Step 5: Solve for x
x = 30,813,209,717.17/242,486.11 - Step 6: Final answer
x = 127,072.06
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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.