Finding the Fourth Proportional to 250,294.98, 345,455.10 and 195,739.05
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Solution
The fourth proportional to 250,294.98, 345,455.10 and 195,739.05 is: 270,157.45
Step by Step Solution
- Step 1: Write the proportion equation
250,294.98 : 345,455.10 = 195,739.05 : x - Step 2: Convert to fraction form
250,294.98/345,455.10 = 195,739.05/x - Step 3: Cross multiply
250,294.98x = 345,455.10 × 195,739.05 - Step 4: Simplify right side
250,294.98x = 67,619,053,091.66 - Step 5: Solve for x
x = 67,619,053,091.66/250,294.98 - Step 6: Final answer
x = 270,157.45
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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.