Finding the Fourth Proportional to 286,176.26, 394,924.80 and 178,808.60
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Solution
The fourth proportional to 286,176.26, 394,924.80 and 178,808.60 is: 246,756.84
Step by Step Solution
- Step 1: Write the proportion equation
286,176.26 : 394,924.80 = 178,808.60 : x - Step 2: Convert to fraction form
286,176.26/394,924.80 = 178,808.60/x - Step 3: Cross multiply
286,176.26x = 394,924.80 × 178,808.60 - Step 4: Simplify right side
286,176.26x = 70,615,950,593.28 - Step 5: Solve for x
x = 70,615,950,593.28/286,176.26 - Step 6: Final answer
x = 246,756.84
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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.