Finding the Fourth Proportional to 250,270.97, 345,379.50 and 142,838.82
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Solution
The fourth proportional to 250,270.97, 345,379.50 and 142,838.82 is: 197,120.75
Step by Step Solution
- Step 1: Write the proportion equation
250,270.97 : 345,379.50 = 142,838.82 : x - Step 2: Convert to fraction form
250,270.97/345,379.50 = 142,838.82/x - Step 3: Cross multiply
250,270.97x = 345,379.50 × 142,838.82 - Step 4: Simplify right side
250,270.97x = 49,333,600,232.19 - Step 5: Solve for x
x = 49,333,600,232.19/250,270.97 - Step 6: Final answer
x = 197,120.75
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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.