Finding the Fourth Proportional to 242,758.19, 364,137.28 and 76,546.19
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Solution
The fourth proportional to 242,758.19, 364,137.28 and 76,546.19 is: 114,819.28
Step by Step Solution
- Step 1: Write the proportion equation
242,758.19 : 364,137.28 = 76,546.19 : x - Step 2: Convert to fraction form
242,758.19/364,137.28 = 76,546.19/x - Step 3: Cross multiply
242,758.19x = 364,137.28 × 76,546.19 - Step 4: Simplify right side
242,758.19x = 27,873,320,606.30 - Step 5: Solve for x
x = 27,873,320,606.30/242,758.19 - Step 6: Final answer
x = 114,819.28
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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.