Finding the Fourth Proportional to 242,979.08, 364,604.70 and 102,842.60
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Solution
The fourth proportional to 242,979.08, 364,604.70 and 102,842.60 is: 154,321.50
Step by Step Solution
- Step 1: Write the proportion equation
242,979.08 : 364,604.70 = 102,842.60 : x - Step 2: Convert to fraction form
242,979.08/364,604.70 = 102,842.60/x - Step 3: Cross multiply
242,979.08x = 364,604.70 × 102,842.60 - Step 4: Simplify right side
242,979.08x = 37,496,895,320.22 - Step 5: Solve for x
x = 37,496,895,320.22/242,979.08 - Step 6: Final answer
x = 154,321.50
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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.