Finding the Fourth Proportional to 146,332.31, 201,938.13 and 82,670.09
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Solution
The fourth proportional to 146,332.31, 201,938.13 and 82,670.09 is: 114,084.46
Step by Step Solution
- Step 1: Write the proportion equation
146,332.31 : 201,938.13 = 82,670.09 : x - Step 2: Convert to fraction form
146,332.31/201,938.13 = 82,670.09/x - Step 3: Cross multiply
146,332.31x = 201,938.13 × 82,670.09 - Step 4: Simplify right side
146,332.31x = 16,694,242,371.84 - Step 5: Solve for x
x = 16,694,242,371.84/146,332.31 - Step 6: Final answer
x = 114,084.46
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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.