Finding the Fourth Proportional to 319,640.62, 441,102.02 and 176,400.66
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Solution
The fourth proportional to 319,640.62, 441,102.02 and 176,400.66 is: 243,431.79
Step by Step Solution
- Step 1: Write the proportion equation
319,640.62 : 441,102.02 = 176,400.66 : x - Step 2: Convert to fraction form
319,640.62/441,102.02 = 176,400.66/x - Step 3: Cross multiply
319,640.62x = 441,102.02 × 176,400.66 - Step 4: Simplify right side
319,640.62x = 77,810,687,455.33 - Step 5: Solve for x
x = 77,810,687,455.33/319,640.62 - Step 6: Final answer
x = 243,431.79
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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.