Finding the Fourth Proportional to 250,131.01, 345,178.17 and 135,407.08
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Solution
The fourth proportional to 250,131.01, 345,178.17 and 135,407.08 is: 186,860.35
Step by Step Solution
- Step 1: Write the proportion equation
250,131.01 : 345,178.17 = 135,407.08 : x - Step 2: Convert to fraction form
250,131.01/345,178.17 = 135,407.08/x - Step 3: Cross multiply
250,131.01x = 345,178.17 × 135,407.08 - Step 4: Simplify right side
250,131.01x = 46,739,568,079.44 - Step 5: Solve for x
x = 46,739,568,079.44/250,131.01 - Step 6: Final answer
x = 186,860.35
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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.