Finding the Fourth Proportional to 146,368.63, 201,986.08 and 82,705.06
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Solution
The fourth proportional to 146,368.63, 201,986.08 and 82,705.06 is: 114,131.50
Step by Step Solution
- Step 1: Write the proportion equation
146,368.63 : 201,986.08 = 82,705.06 : x - Step 2: Convert to fraction form
146,368.63/201,986.08 = 82,705.06/x - Step 3: Cross multiply
146,368.63x = 201,986.08 × 82,705.06 - Step 4: Simplify right side
146,368.63x = 16,705,270,865.56 - Step 5: Solve for x
x = 16,705,270,865.56/146,368.63 - Step 6: Final answer
x = 114,131.50
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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.