Finding the Fourth Proportional to 170,275.53, 234,734.74 and 119,129.80
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Solution
The fourth proportional to 170,275.53, 234,734.74 and 119,129.80 is: 164,227.37
Step by Step Solution
- Step 1: Write the proportion equation
170,275.53 : 234,734.74 = 119,129.80 : x - Step 2: Convert to fraction form
170,275.53/234,734.74 = 119,129.80/x - Step 3: Cross multiply
170,275.53x = 234,734.74 × 119,129.80 - Step 4: Simplify right side
170,275.53x = 27,963,902,629.25 - Step 5: Solve for x
x = 27,963,902,629.25/170,275.53 - Step 6: Final answer
x = 164,227.37
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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.