Finding the Fourth Proportional to 354,644.80, 531,523.60 and 177,201.60
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Solution
The fourth proportional to 354,644.80, 531,523.60 and 177,201.60 is: 265,580.75
Step by Step Solution
- Step 1: Write the proportion equation
354,644.80 : 531,523.60 = 177,201.60 : x - Step 2: Convert to fraction form
354,644.80/531,523.60 = 177,201.60/x - Step 3: Cross multiply
354,644.80x = 531,523.60 × 177,201.60 - Step 4: Simplify right side
354,644.80x = 94,186,832,357.76 - Step 5: Solve for x
x = 94,186,832,357.76/354,644.80 - Step 6: Final answer
x = 265,580.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.