Finding the Fourth Proportional to 355,669.36, 490,805.52 and 194,493.08
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Solution
The fourth proportional to 355,669.36, 490,805.52 and 194,493.08 is: 268,390.50
Step by Step Solution
- Step 1: Write the proportion equation
355,669.36 : 490,805.52 = 194,493.08 : x - Step 2: Convert to fraction form
355,669.36/490,805.52 = 194,493.08/x - Step 3: Cross multiply
355,669.36x = 490,805.52 × 194,493.08 - Step 4: Simplify right side
355,669.36x = 95,458,277,265.80 - Step 5: Solve for x
x = 95,458,277,265.80/355,669.36 - Step 6: Final answer
x = 268,390.50
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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.