Finding the Fourth Proportional to 170,120.49, 234,750.99 and 98,505.33
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Solution
The fourth proportional to 170,120.49, 234,750.99 and 98,505.33 is: 135,928.50
Step by Step Solution
- Step 1: Write the proportion equation
170,120.49 : 234,750.99 = 98,505.33 : x - Step 2: Convert to fraction form
170,120.49/234,750.99 = 98,505.33/x - Step 3: Cross multiply
170,120.49x = 234,750.99 × 98,505.33 - Step 4: Simplify right side
170,120.49x = 23,124,223,737.78 - Step 5: Solve for x
x = 23,124,223,737.78/170,120.49 - Step 6: Final answer
x = 135,928.50
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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.