Finding the Fourth Proportional to 201,687.70, 302,531.55 and 188,565.70
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Solution
The fourth proportional to 201,687.70, 302,531.55 and 188,565.70 is: 282,848.55
Step by Step Solution
- Step 1: Write the proportion equation
201,687.70 : 302,531.55 = 188,565.70 : x - Step 2: Convert to fraction form
201,687.70/302,531.55 = 188,565.70/x - Step 3: Cross multiply
201,687.70x = 302,531.55 × 188,565.70 - Step 4: Simplify right side
201,687.70x = 57,047,073,497.84 - Step 5: Solve for x
x = 57,047,073,497.84/201,687.70 - Step 6: Final answer
x = 282,848.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.