Finding the Fourth Proportional to 170,899.70, 256,349.55 and 170,899.70
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Solution
The fourth proportional to 170,899.70, 256,349.55 and 170,899.70 is: 256,349.55
Step by Step Solution
- Step 1: Write the proportion equation
170,899.70 : 256,349.55 = 170,899.70 : x - Step 2: Convert to fraction form
170,899.70/256,349.55 = 170,899.70/x - Step 3: Cross multiply
170,899.70x = 256,349.55 × 170,899.70 - Step 4: Simplify right side
170,899.70x = 43,810,061,190.14 - Step 5: Solve for x
x = 43,810,061,190.14/170,899.70 - Step 6: Final answer
x = 256,349.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.