Finding the Fourth Proportional to 319,703.09, 441,187.86 and 176,463.09
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Solution
The fourth proportional to 319,703.09, 441,187.86 and 176,463.09 is: 243,517.74
Step by Step Solution
- Step 1: Write the proportion equation
319,703.09 : 441,187.86 = 176,463.09 : x - Step 2: Convert to fraction form
319,703.09/441,187.86 = 176,463.09/x - Step 3: Cross multiply
319,703.09x = 441,187.86 × 176,463.09 - Step 4: Simplify right side
319,703.09x = 77,853,373,046.09 - Step 5: Solve for x
x = 77,853,373,046.09/319,703.09 - Step 6: Final answer
x = 243,517.74
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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.