Finding the Fourth Proportional to 319,072.08, 440,313.80 and 173,879.14
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Solution
The fourth proportional to 319,072.08, 440,313.80 and 173,879.14 is: 239,950.12
Step by Step Solution
- Step 1: Write the proportion equation
319,072.08 : 440,313.80 = 173,879.14 : x - Step 2: Convert to fraction form
319,072.08/440,313.80 = 173,879.14/x - Step 3: Cross multiply
319,072.08x = 440,313.80 × 173,879.14 - Step 4: Simplify right side
319,072.08x = 76,561,384,874.13 - Step 5: Solve for x
x = 76,561,384,874.13/319,072.08 - Step 6: Final answer
x = 239,950.12
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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.