Finding the Fourth Proportional to 170,841.06, 256,115.75 and 120,763.62
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Solution
The fourth proportional to 170,841.06, 256,115.75 and 120,763.62 is: 181,042.34
Step by Step Solution
- Step 1: Write the proportion equation
170,841.06 : 256,115.75 = 120,763.62 : x - Step 2: Convert to fraction form
170,841.06/256,115.75 = 120,763.62/x - Step 3: Cross multiply
170,841.06x = 256,115.75 × 120,763.62 - Step 4: Simplify right side
170,841.06x = 30,929,464,505.20 - Step 5: Solve for x
x = 30,929,464,505.20/170,841.06 - Step 6: Final answer
x = 181,042.34
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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.