Finding the Fourth Proportional to 194,626.40, 291,803.76 and 99,672.08
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Solution
The fourth proportional to 194,626.40, 291,803.76 and 99,672.08 is: 149,438.55
Step by Step Solution
- Step 1: Write the proportion equation
194,626.40 : 291,803.76 = 99,672.08 : x - Step 2: Convert to fraction form
194,626.40/291,803.76 = 99,672.08/x - Step 3: Cross multiply
194,626.40x = 291,803.76 × 99,672.08 - Step 4: Simplify right side
194,626.40x = 29,084,687,711.02 - Step 5: Solve for x
x = 29,084,687,711.02/194,626.40 - Step 6: Final answer
x = 149,438.55
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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.