Finding the Fourth Proportional to 170,397.99, 235,202.49 and 109,968.75
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Solution
The fourth proportional to 170,397.99, 235,202.49 and 109,968.75 is: 151,791.25
Step by Step Solution
- Step 1: Write the proportion equation
170,397.99 : 235,202.49 = 109,968.75 : x - Step 2: Convert to fraction form
170,397.99/235,202.49 = 109,968.75/x - Step 3: Cross multiply
170,397.99x = 235,202.49 × 109,968.75 - Step 4: Simplify right side
170,397.99x = 25,864,923,822.19 - Step 5: Solve for x
x = 25,864,923,822.19/170,397.99 - Step 6: Final answer
x = 151,791.25
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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.