Finding the Fourth Proportional to 319,414.77, 440,791.52 and 183,457.49
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Solution
The fourth proportional to 319,414.77, 440,791.52 and 183,457.49 is: 253,170.83
Step by Step Solution
- Step 1: Write the proportion equation
319,414.77 : 440,791.52 = 183,457.49 : x - Step 2: Convert to fraction form
319,414.77/440,791.52 = 183,457.49/x - Step 3: Cross multiply
319,414.77x = 440,791.52 × 183,457.49 - Step 4: Simplify right side
319,414.77x = 80,866,502,751.24 - Step 5: Solve for x
x = 80,866,502,751.24/319,414.77 - Step 6: Final answer
x = 253,170.83
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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.