Finding the Fourth Proportional to 284,660.23, 426,645.09 and 209,079.56
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Solution
The fourth proportional to 284,660.23, 426,645.09 and 209,079.56 is: 313,365.75
Step by Step Solution
- Step 1: Write the proportion equation
284,660.23 : 426,645.09 = 209,079.56 : x - Step 2: Convert to fraction form
284,660.23/426,645.09 = 209,079.56/x - Step 3: Cross multiply
284,660.23x = 426,645.09 × 209,079.56 - Step 4: Simplify right side
284,660.23x = 89,202,767,693.36 - Step 5: Solve for x
x = 89,202,767,693.36/284,660.23 - Step 6: Final answer
x = 313,365.75
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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.