Finding the Fourth Proportional to 286,158.74, 394,818.85 and 178,837.79
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Solution
The fourth proportional to 286,158.74, 394,818.85 and 178,837.79 is: 246,746.02
Step by Step Solution
- Step 1: Write the proportion equation
286,158.74 : 394,818.85 = 178,837.79 : x - Step 2: Convert to fraction form
286,158.74/394,818.85 = 178,837.79/x - Step 3: Cross multiply
286,158.74x = 394,818.85 × 178,837.79 - Step 4: Simplify right side
286,158.74x = 70,608,530,584.34 - Step 5: Solve for x
x = 70,608,530,584.34/286,158.74 - Step 6: Final answer
x = 246,746.02
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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.