Finding the Fourth Proportional to 251,641.62, 347,150.99 and 149,609.21
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Solution
The fourth proportional to 251,641.62, 347,150.99 and 149,609.21 is: 206,392.66
Step by Step Solution
- Step 1: Write the proportion equation
251,641.62 : 347,150.99 = 149,609.21 : x - Step 2: Convert to fraction form
251,641.62/347,150.99 = 149,609.21/x - Step 3: Cross multiply
251,641.62x = 347,150.99 × 149,609.21 - Step 4: Simplify right side
251,641.62x = 51,936,984,002.89 - Step 5: Solve for x
x = 51,936,984,002.89/251,641.62 - Step 6: Final answer
x = 206,392.66
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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.