Finding the Fourth Proportional to 355,505.12, 490,577.19 and 194,328.08
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Solution
The fourth proportional to 355,505.12, 490,577.19 and 194,328.08 is: 268,161.88
Step by Step Solution
- Step 1: Write the proportion equation
355,505.12 : 490,577.19 = 194,328.08 : x - Step 2: Convert to fraction form
355,505.12/490,577.19 = 194,328.08/x - Step 3: Cross multiply
355,505.12x = 490,577.19 × 194,328.08 - Step 4: Simplify right side
355,505.12x = 95,332,920,971.61 - Step 5: Solve for x
x = 95,332,920,971.61/355,505.12 - Step 6: Final answer
x = 268,161.88
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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.