Finding the Fourth Proportional to 250,183.55, 345,250.71 and 135,460.22
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Solution
The fourth proportional to 250,183.55, 345,250.71 and 135,460.22 is: 186,933.70
Step by Step Solution
- Step 1: Write the proportion equation
250,183.55 : 345,250.71 = 135,460.22 : x - Step 2: Convert to fraction form
250,183.55/345,250.71 = 135,460.22/x - Step 3: Cross multiply
250,183.55x = 345,250.71 × 135,460.22 - Step 4: Simplify right side
250,183.55x = 46,767,737,131.76 - Step 5: Solve for x
x = 46,767,737,131.76/250,183.55 - Step 6: Final answer
x = 186,933.70
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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.