Finding the Fourth Proportional to 242,857.40, 364,366.74 and 107,902.68
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Solution
The fourth proportional to 242,857.40, 364,366.74 and 107,902.68 is: 161,889.85
Step by Step Solution
- Step 1: Write the proportion equation
242,857.40 : 364,366.74 = 107,902.68 : x - Step 2: Convert to fraction form
242,857.40/364,366.74 = 107,902.68/x - Step 3: Cross multiply
242,857.40x = 364,366.74 × 107,902.68 - Step 4: Simplify right side
242,857.40x = 39,316,147,748.86 - Step 5: Solve for x
x = 39,316,147,748.86/242,857.40 - Step 6: Final answer
x = 161,889.85
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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.