Finding the Fourth Proportional to 146,589.56, 202,293.97 and 79,521.56
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Solution
The fourth proportional to 146,589.56, 202,293.97 and 79,521.56 is: 109,739.95
Step by Step Solution
- Step 1: Write the proportion equation
146,589.56 : 202,293.97 = 79,521.56 : x - Step 2: Convert to fraction form
146,589.56/202,293.97 = 79,521.56/x - Step 3: Cross multiply
146,589.56x = 202,293.97 × 79,521.56 - Step 4: Simplify right side
146,589.56x = 16,086,731,061.52 - Step 5: Solve for x
x = 16,086,731,061.52/146,589.56 - Step 6: Final answer
x = 109,739.95
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1.5x scale
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.