Finding the Fourth Proportional to 194,701.79, 268,810.11 and 149,292.55
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Solution
The fourth proportional to 194,701.79, 268,810.11 and 149,292.55 is: 206,116.98
Step by Step Solution
- Step 1: Write the proportion equation
194,701.79 : 268,810.11 = 149,292.55 : x - Step 2: Convert to fraction form
194,701.79/268,810.11 = 149,292.55/x - Step 3: Cross multiply
194,701.79x = 268,810.11 × 149,292.55 - Step 4: Simplify right side
194,701.79x = 40,131,345,443.63 - Step 5: Solve for x
x = 40,131,345,443.63/194,701.79 - Step 6: Final answer
x = 206,116.98
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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.