Finding the Fourth Proportional to 355,328.08, 490,338.08 and 194,188.48
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Solution
The fourth proportional to 355,328.08, 490,338.08 and 194,188.48 is: 267,972.08
Step by Step Solution
- Step 1: Write the proportion equation
355,328.08 : 490,338.08 = 194,188.48 : x - Step 2: Convert to fraction form
355,328.08/490,338.08 = 194,188.48/x - Step 3: Cross multiply
355,328.08x = 490,338.08 × 194,188.48 - Step 4: Simplify right side
355,328.08x = 95,218,006,441.32 - Step 5: Solve for x
x = 95,218,006,441.32/355,328.08 - Step 6: Final answer
x = 267,972.08
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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.