Finding the Fourth Proportional to 194,698.16, 268,805.08 and 149,288.84
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Solution
The fourth proportional to 194,698.16, 268,805.08 and 149,288.84 is: 206,111.85
Step by Step Solution
- Step 1: Write the proportion equation
194,698.16 : 268,805.08 = 149,288.84 : x - Step 2: Convert to fraction form
194,698.16/268,805.08 = 149,288.84/x - Step 3: Cross multiply
194,698.16x = 268,805.08 × 149,288.84 - Step 4: Simplify right side
194,698.16x = 40,129,598,579.31 - Step 5: Solve for x
x = 40,129,598,579.31/194,698.16 - Step 6: Final answer
x = 206,111.85
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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.