Finding the Fourth Proportional to 250,153.74, 345,212.74 and 135,433.60
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Solution
The fourth proportional to 250,153.74, 345,212.74 and 135,433.60 is: 186,898.68
Step by Step Solution
- Step 1: Write the proportion equation
250,153.74 : 345,212.74 = 135,433.60 : x - Step 2: Convert to fraction form
250,153.74/345,212.74 = 135,433.60/x - Step 3: Cross multiply
250,153.74x = 345,212.74 × 135,433.60 - Step 4: Simplify right side
250,153.74x = 46,753,404,144.06 - Step 5: Solve for x
x = 46,753,404,144.06/250,153.74 - Step 6: Final answer
x = 186,898.68
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1.5x scale
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.