Finding the Fourth Proportional to 284,605.86, 426,908.78 and 107,152.68
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Solution
The fourth proportional to 284,605.86, 426,908.78 and 107,152.68 is: 160,729.02
Step by Step Solution
- Step 1: Write the proportion equation
284,605.86 : 426,908.78 = 107,152.68 : x - Step 2: Convert to fraction form
284,605.86/426,908.78 = 107,152.68/x - Step 3: Cross multiply
284,605.86x = 426,908.78 × 107,152.68 - Step 4: Simplify right side
284,605.86x = 45,744,419,892.53 - Step 5: Solve for x
x = 45,744,419,892.53/284,605.86 - Step 6: Final answer
x = 160,729.02
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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.