Finding the Fourth Proportional to 347,091.94, 478,988.00 and 194,132.75
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Solution
The fourth proportional to 347,091.94, 478,988.00 and 194,132.75 is: 267,903.83
Step by Step Solution
- Step 1: Write the proportion equation
347,091.94 : 478,988.00 = 194,132.75 : x - Step 2: Convert to fraction form
347,091.94/478,988.00 = 194,132.75/x - Step 3: Cross multiply
347,091.94x = 478,988.00 × 194,132.75 - Step 4: Simplify right side
347,091.94x = 92,987,257,883.81 - Step 5: Solve for x
x = 92,987,257,883.81/347,091.94 - Step 6: Final answer
x = 267,903.83
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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.