Finding the Fourth Proportional to 215,764.65, 297,633.27 and 135,052.05
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Solution
The fourth proportional to 215,764.65, 297,633.27 and 135,052.05 is: 186,295.50
Step by Step Solution
- Step 1: Write the proportion equation
215,764.65 : 297,633.27 = 135,052.05 : x - Step 2: Convert to fraction form
215,764.65/297,633.27 = 135,052.05/x - Step 3: Cross multiply
215,764.65x = 297,633.27 × 135,052.05 - Step 4: Simplify right side
215,764.65x = 40,195,983,261.70 - Step 5: Solve for x
x = 40,195,983,261.70/215,764.65 - Step 6: Final answer
x = 186,295.50
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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.