Finding the Fourth Proportional to 407,045.97, 561,756.99 and 225,816.23
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Solution
The fourth proportional to 407,045.97, 561,756.99 and 225,816.23 is: 311,645.00
Step by Step Solution
- Step 1: Write the proportion equation
407,045.97 : 561,756.99 = 225,816.23 : x - Step 2: Convert to fraction form
407,045.97/561,756.99 = 225,816.23/x - Step 3: Cross multiply
407,045.97x = 561,756.99 × 225,816.23 - Step 4: Simplify right side
407,045.97x = 126,853,842,849.16 - Step 5: Solve for x
x = 126,853,842,849.16/407,045.97 - Step 6: Final answer
x = 311,645.00
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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.