Finding the Fourth Proportional to 327,122.60, 490,829.70 and 149,538.20
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Solution
The fourth proportional to 327,122.60, 490,829.70 and 149,538.20 is: 224,373.95
Step by Step Solution
- Step 1: Write the proportion equation
327,122.60 : 490,829.70 = 149,538.20 : x - Step 2: Convert to fraction form
327,122.60/490,829.70 = 149,538.20/x - Step 3: Cross multiply
327,122.60x = 490,829.70 × 149,538.20 - Step 4: Simplify right side
327,122.60x = 73,397,789,844.54 - Step 5: Solve for x
x = 73,397,789,844.54/327,122.60 - Step 6: Final answer
x = 224,373.95
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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.