Finding the Fourth Proportional to 299,676.68, 413,457.86 and 213,649.66
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Solution
The fourth proportional to 299,676.68, 413,457.86 and 213,649.66 is: 294,768.12
Step by Step Solution
- Step 1: Write the proportion equation
299,676.68 : 413,457.86 = 213,649.66 : x - Step 2: Convert to fraction form
299,676.68/413,457.86 = 213,649.66/x - Step 3: Cross multiply
299,676.68x = 413,457.86 × 213,649.66 - Step 4: Simplify right side
299,676.68x = 88,335,131,213.33 - Step 5: Solve for x
x = 88,335,131,213.33/299,676.68 - Step 6: Final answer
x = 294,768.12
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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.