Finding the Fourth Proportional to 313,729.96, 432,924.60 and 177,766.60
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Solution
The fourth proportional to 313,729.96, 432,924.60 and 177,766.60 is: 245,305.02
Step by Step Solution
- Step 1: Write the proportion equation
313,729.96 : 432,924.60 = 177,766.60 : x - Step 2: Convert to fraction form
313,729.96/432,924.60 = 177,766.60/x - Step 3: Cross multiply
313,729.96x = 432,924.60 × 177,766.60 - Step 4: Simplify right side
313,729.96x = 76,959,534,198.36 - Step 5: Solve for x
x = 76,959,534,198.36/313,729.96 - Step 6: Final answer
x = 245,305.02
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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.