Finding the Fourth Proportional to 330,946.56, 496,627.20 and 133,954.56
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Solution
The fourth proportional to 330,946.56, 496,627.20 and 133,954.56 is: 201,015.77
Step by Step Solution
- Step 1: Write the proportion equation
330,946.56 : 496,627.20 = 133,954.56 : x - Step 2: Convert to fraction form
330,946.56/496,627.20 = 133,954.56/x - Step 3: Cross multiply
330,946.56x = 496,627.20 × 133,954.56 - Step 4: Simplify right side
330,946.56x = 66,525,478,060.03 - Step 5: Solve for x
x = 66,525,478,060.03/330,946.56 - Step 6: Final answer
x = 201,015.77
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1.5x scale
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.