Finding the Fourth Proportional to 242,967.75, 364,510.08 and 76,755.75
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Solution
The fourth proportional to 242,967.75, 364,510.08 and 76,755.75 is: 115,152.09
Step by Step Solution
- Step 1: Write the proportion equation
242,967.75 : 364,510.08 = 76,755.75 : x - Step 2: Convert to fraction form
242,967.75/364,510.08 = 76,755.75/x - Step 3: Cross multiply
242,967.75x = 364,510.08 × 76,755.75 - Step 4: Simplify right side
242,967.75x = 27,978,244,572.96 - Step 5: Solve for x
x = 27,978,244,572.96/242,967.75 - Step 6: Final answer
x = 115,152.09
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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.