Finding the Fourth Proportional to 406,331.10, 560,762.19 and 225,033.66
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Solution
The fourth proportional to 406,331.10, 560,762.19 and 225,033.66 is: 310,560.45
Step by Step Solution
- Step 1: Write the proportion equation
406,331.10 : 560,762.19 = 225,033.66 : x - Step 2: Convert to fraction form
406,331.10/560,762.19 = 225,033.66/x - Step 3: Cross multiply
406,331.10x = 560,762.19 × 225,033.66 - Step 4: Simplify right side
406,331.10x = 126,190,368,005.32 - Step 5: Solve for x
x = 126,190,368,005.32/406,331.10 - Step 6: Final answer
x = 310,560.45
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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.