Finding the Fourth Proportional to 488,121.66, 673,588.21 and 284,178.45
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Solution
The fourth proportional to 488,121.66, 673,588.21 and 284,178.45 is: 392,154.80
Step by Step Solution
- Step 1: Write the proportion equation
488,121.66 : 673,588.21 = 284,178.45 : x - Step 2: Convert to fraction form
488,121.66/673,588.21 = 284,178.45/x - Step 3: Cross multiply
488,121.66x = 673,588.21 × 284,178.45 - Step 4: Simplify right side
488,121.66x = 191,419,253,456.08 - Step 5: Solve for x
x = 191,419,253,456.08/488,121.66 - Step 6: Final answer
x = 392,154.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.