Finding the Fourth Proportional to 194,482.12, 268,435.26 and 126,668.08
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Solution
The fourth proportional to 194,482.12, 268,435.26 and 126,668.08 is: 174,834.47
Step by Step Solution
- Step 1: Write the proportion equation
194,482.12 : 268,435.26 = 126,668.08 : x - Step 2: Convert to fraction form
194,482.12/268,435.26 = 126,668.08/x - Step 3: Cross multiply
194,482.12x = 268,435.26 × 126,668.08 - Step 4: Simplify right side
194,482.12x = 34,002,178,988.50 - Step 5: Solve for x
x = 34,002,178,988.50/194,482.12 - Step 6: Final answer
x = 174,834.47
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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.