Finding the Fourth Proportional to 250,157.94, 345,220.71 and 135,439.08
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Solution
The fourth proportional to 250,157.94, 345,220.71 and 135,439.08 is: 186,907.42
Step by Step Solution
- Step 1: Write the proportion equation
250,157.94 : 345,220.71 = 135,439.08 : x - Step 2: Convert to fraction form
250,157.94/345,220.71 = 135,439.08/x - Step 3: Cross multiply
250,157.94x = 345,220.71 × 135,439.08 - Step 4: Simplify right side
250,157.94x = 46,756,375,359.35 - Step 5: Solve for x
x = 46,756,375,359.35/250,157.94 - Step 6: Final answer
x = 186,907.42
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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.