Finding the Fourth Proportional to 406,352.87, 560,742.33 and 225,053.99
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Solution
The fourth proportional to 406,352.87, 560,742.33 and 225,053.99 is: 310,560.86
Step by Step Solution
- Step 1: Write the proportion equation
406,352.87 : 560,742.33 = 225,053.99 : x - Step 2: Convert to fraction form
406,352.87/560,742.33 = 225,053.99/x - Step 3: Cross multiply
406,352.87x = 560,742.33 × 225,053.99 - Step 4: Simplify right side
406,352.87x = 126,197,297,603.13 - Step 5: Solve for x
x = 126,197,297,603.13/406,352.87 - Step 6: Final answer
x = 310,560.86
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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.