Finding the Fourth Proportional to 406,362.99, 560,756.28 and 225,064.08
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Solution
The fourth proportional to 406,362.99, 560,756.28 and 225,064.08 is: 310,574.78
Step by Step Solution
- Step 1: Write the proportion equation
406,362.99 : 560,756.28 = 225,064.08 : x - Step 2: Convert to fraction form
406,362.99/560,756.28 = 225,064.08/x - Step 3: Cross multiply
406,362.99x = 560,756.28 × 225,064.08 - Step 4: Simplify right side
406,362.99x = 126,206,096,262.42 - Step 5: Solve for x
x = 126,206,096,262.42/406,362.99 - Step 6: Final answer
x = 310,574.78
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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.