Finding the Fourth Proportional to 284,615.76, 427,143.84 and 107,284.08
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Solution
The fourth proportional to 284,615.76, 427,143.84 and 107,284.08 is: 161,009.12
Step by Step Solution
- Step 1: Write the proportion equation
284,615.76 : 427,143.84 = 107,284.08 : x - Step 2: Convert to fraction form
284,615.76/427,143.84 = 107,284.08/x - Step 3: Cross multiply
284,615.76x = 427,143.84 × 107,284.08 - Step 4: Simplify right side
284,615.76x = 45,825,733,902.07 - Step 5: Solve for x
x = 45,825,733,902.07/284,615.76 - Step 6: Final answer
x = 161,009.12
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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.