Finding the Fourth Proportional to 347,033.09, 478,915.50 and 194,077.05
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Solution
The fourth proportional to 347,033.09, 478,915.50 and 194,077.05 is: 267,831.83
Step by Step Solution
- Step 1: Write the proportion equation
347,033.09 : 478,915.50 = 194,077.05 : x - Step 2: Convert to fraction form
347,033.09/478,915.50 = 194,077.05/x - Step 3: Cross multiply
347,033.09x = 478,915.50 × 194,077.05 - Step 4: Simplify right side
347,033.09x = 92,946,507,439.28 - Step 5: Solve for x
x = 92,946,507,439.28/347,033.09 - Step 6: Final answer
x = 267,831.83
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1.5x scale
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.