Finding the Fourth Proportional to 403,161.24, 556,131.10 and 251,995.80
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Solution
The fourth proportional to 403,161.24, 556,131.10 and 251,995.80 is: 347,609.56
Step by Step Solution
- Step 1: Write the proportion equation
403,161.24 : 556,131.10 = 251,995.80 : x - Step 2: Convert to fraction form
403,161.24/556,131.10 = 251,995.80/x - Step 3: Cross multiply
403,161.24x = 556,131.10 × 251,995.80 - Step 4: Simplify right side
403,161.24x = 140,142,701,449.38 - Step 5: Solve for x
x = 140,142,701,449.38/403,161.24 - Step 6: Final answer
x = 347,609.56
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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.