Finding the Fourth Proportional to 250,194.75, 345,269.40 and 135,474.75
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Solution
The fourth proportional to 250,194.75, 345,269.40 and 135,474.75 is: 186,955.50
Step by Step Solution
- Step 1: Write the proportion equation
250,194.75 : 345,269.40 = 135,474.75 : x - Step 2: Convert to fraction form
250,194.75/345,269.40 = 135,474.75/x - Step 3: Cross multiply
250,194.75x = 345,269.40 × 135,474.75 - Step 4: Simplify right side
250,194.75x = 46,775,285,647.65 - Step 5: Solve for x
x = 46,775,285,647.65/250,194.75 - Step 6: Final answer
x = 186,955.50
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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.