Finding the Fourth Proportional to 406,041.36, 560,208.26 and 236,242.68
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Solution
The fourth proportional to 406,041.36, 560,208.26 and 236,242.68 is: 325,939.95
Step by Step Solution
- Step 1: Write the proportion equation
406,041.36 : 560,208.26 = 236,242.68 : x - Step 2: Convert to fraction form
406,041.36/560,208.26 = 236,242.68/x - Step 3: Cross multiply
406,041.36x = 560,208.26 × 236,242.68 - Step 4: Simplify right side
406,041.36x = 132,345,100,700.54 - Step 5: Solve for x
x = 132,345,100,700.54/406,041.36 - Step 6: Final answer
x = 325,939.95
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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.