Finding the Fourth Proportional to 146,359.88, 201,976.84 and 79,291.88
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Solution
The fourth proportional to 146,359.88, 201,976.84 and 79,291.88 is: 109,422.91
Step by Step Solution
- Step 1: Write the proportion equation
146,359.88 : 201,976.84 = 79,291.88 : x - Step 2: Convert to fraction form
146,359.88/201,976.84 = 79,291.88/x - Step 3: Cross multiply
146,359.88x = 201,976.84 × 79,291.88 - Step 4: Simplify right side
146,359.88x = 16,015,123,360.06 - Step 5: Solve for x
x = 16,015,123,360.06/146,359.88 - Step 6: Final answer
x = 109,422.91
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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.