Finding the Fourth Proportional to 155,249.88, 232,874.79 and 66,445.80
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Solution
The fourth proportional to 155,249.88, 232,874.79 and 66,445.80 is: 99,668.69
Step by Step Solution
- Step 1: Write the proportion equation
155,249.88 : 232,874.79 = 66,445.80 : x - Step 2: Convert to fraction form
155,249.88/232,874.79 = 66,445.80/x - Step 3: Cross multiply
155,249.88x = 232,874.79 × 66,445.80 - Step 4: Simplify right side
155,249.88x = 15,473,551,721.38 - Step 5: Solve for x
x = 15,473,551,721.38/155,249.88 - Step 6: Final answer
x = 99,668.69
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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.