Finding the Fourth Proportional to 284,400.21, 426,678.12 and 124,447.08
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Solution
The fourth proportional to 284,400.21, 426,678.12 and 124,447.08 is: 186,704.67
Step by Step Solution
- Step 1: Write the proportion equation
284,400.21 : 426,678.12 = 124,447.08 : x - Step 2: Convert to fraction form
284,400.21/426,678.12 = 124,447.08/x - Step 3: Cross multiply
284,400.21x = 426,678.12 × 124,447.08 - Step 4: Simplify right side
284,400.21x = 53,098,846,133.89 - Step 5: Solve for x
x = 53,098,846,133.89/284,400.21 - Step 6: Final answer
x = 186,704.67
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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.