Finding the Fourth Proportional to 286,087.67, 394,818.87 and 165,251.06
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Solution
The fourth proportional to 286,087.67, 394,818.87 and 165,251.06 is: 228,056.79
Step by Step Solution
- Step 1: Write the proportion equation
286,087.67 : 394,818.87 = 165,251.06 : x - Step 2: Convert to fraction form
286,087.67/394,818.87 = 165,251.06/x - Step 3: Cross multiply
286,087.67x = 394,818.87 × 165,251.06 - Step 4: Simplify right side
286,087.67x = 65,244,234,801.41 - Step 5: Solve for x
x = 65,244,234,801.41/286,087.67 - Step 6: Final answer
x = 228,056.79
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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.