Finding the Fourth Proportional to 285,717.42, 394,330.12 and 176,856.66
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Solution
The fourth proportional to 285,717.42, 394,330.12 and 176,856.66 is: 244,087.00
Step by Step Solution
- Step 1: Write the proportion equation
285,717.42 : 394,330.12 = 176,856.66 : x - Step 2: Convert to fraction form
285,717.42/394,330.12 = 176,856.66/x - Step 3: Cross multiply
285,717.42x = 394,330.12 × 176,856.66 - Step 4: Simplify right side
285,717.42x = 69,739,907,518.46 - Step 5: Solve for x
x = 69,739,907,518.46/285,717.42 - Step 6: Final answer
x = 244,087.00
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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.