Finding the Fourth Proportional to 293,821.09, 440,786.95 and 209,371.77
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Solution
The fourth proportional to 293,821.09, 440,786.95 and 209,371.77 is: 314,097.07
Step by Step Solution
- Step 1: Write the proportion equation
293,821.09 : 440,786.95 = 209,371.77 : x - Step 2: Convert to fraction form
293,821.09/440,786.95 = 209,371.77/x - Step 3: Cross multiply
293,821.09x = 440,786.95 × 209,371.77 - Step 4: Simplify right side
293,821.09x = 92,288,343,390.97 - Step 5: Solve for x
x = 92,288,343,390.97/293,821.09 - Step 6: Final answer
x = 314,097.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.