Finding the Fourth Proportional to 286,042.66, 394,885.87 and 201,536.98
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Solution
The fourth proportional to 286,042.66, 394,885.87 and 201,536.98 is: 278,224.60
Step by Step Solution
- Step 1: Write the proportion equation
286,042.66 : 394,885.87 = 201,536.98 : x - Step 2: Convert to fraction form
286,042.66/394,885.87 = 201,536.98/x - Step 3: Cross multiply
286,042.66x = 394,885.87 × 201,536.98 - Step 4: Simplify right side
286,042.66x = 79,584,104,193.42 - Step 5: Solve for x
x = 79,584,104,193.42/286,042.66 - Step 6: Final answer
x = 278,224.60
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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.