Finding the Fourth Proportional to 146,270.81, 201,853.72 and 79,202.81
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Solution
The fourth proportional to 146,270.81, 201,853.72 and 79,202.81 is: 109,299.88
Step by Step Solution
- Step 1: Write the proportion equation
146,270.81 : 201,853.72 = 79,202.81 : x - Step 2: Convert to fraction form
146,270.81/201,853.72 = 79,202.81/x - Step 3: Cross multiply
146,270.81x = 201,853.72 × 79,202.81 - Step 4: Simplify right side
146,270.81x = 15,987,382,436.59 - Step 5: Solve for x
x = 15,987,382,436.59/146,270.81 - Step 6: Final answer
x = 109,299.88
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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.