Finding the Fourth Proportional to 194,711.29, 268,823.22 and 149,302.03
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Solution
The fourth proportional to 194,711.29, 268,823.22 and 149,302.03 is: 206,130.07
Step by Step Solution
- Step 1: Write the proportion equation
194,711.29 : 268,823.22 = 149,302.03 : x - Step 2: Convert to fraction form
194,711.29/268,823.22 = 149,302.03/x - Step 3: Cross multiply
194,711.29x = 268,823.22 × 149,302.03 - Step 4: Simplify right side
194,711.29x = 40,135,852,457.14 - Step 5: Solve for x
x = 40,135,852,457.14/194,711.29 - Step 6: Final answer
x = 206,130.07
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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.