Finding the Fourth Proportional to 406,474.05, 560,901.26 and 225,193.62
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Solution
The fourth proportional to 406,474.05, 560,901.26 and 225,193.62 is: 310,748.95
Step by Step Solution
- Step 1: Write the proportion equation
406,474.05 : 560,901.26 = 225,193.62 : x - Step 2: Convert to fraction form
406,474.05/560,901.26 = 225,193.62/x - Step 3: Cross multiply
406,474.05x = 560,901.26 × 225,193.62 - Step 4: Simplify right side
406,474.05x = 126,311,384,075.99 - Step 5: Solve for x
x = 126,311,384,075.99/406,474.05 - Step 6: Final answer
x = 310,748.95
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1.5x scale
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.