Finding the Fourth Proportional to 194,628.40, 291,806.76 and 99,674.08
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Solution
The fourth proportional to 194,628.40, 291,806.76 and 99,674.08 is: 149,441.55
Step by Step Solution
- Step 1: Write the proportion equation
194,628.40 : 291,806.76 = 99,674.08 : x - Step 2: Convert to fraction form
194,628.40/291,806.76 = 99,674.08/x - Step 3: Cross multiply
194,628.40x = 291,806.76 × 99,674.08 - Step 4: Simplify right side
194,628.40x = 29,085,570,340.78 - Step 5: Solve for x
x = 29,085,570,340.78/194,628.40 - Step 6: Final answer
x = 149,441.55
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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.