Finding the Fourth Proportional to 280,699.56, 387,536.99 and 182,676.18
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Solution
The fourth proportional to 280,699.56, 387,536.99 and 182,676.18 is: 252,204.80
Step by Step Solution
- Step 1: Write the proportion equation
280,699.56 : 387,536.99 = 182,676.18 : x - Step 2: Convert to fraction form
280,699.56/387,536.99 = 182,676.18/x - Step 3: Cross multiply
280,699.56x = 387,536.99 × 182,676.18 - Step 4: Simplify right side
280,699.56x = 70,793,776,028.52 - Step 5: Solve for x
x = 70,793,776,028.52/280,699.56 - Step 6: Final answer
x = 252,204.80
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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.