Finding the Fourth Proportional to 243,596.21, 335,995.98 and 158,828.09
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Solution
The fourth proportional to 243,596.21, 335,995.98 and 158,828.09 is: 219,074.01
Step by Step Solution
- Step 1: Write the proportion equation
243,596.21 : 335,995.98 = 158,828.09 : x - Step 2: Convert to fraction form
243,596.21/335,995.98 = 158,828.09/x - Step 3: Cross multiply
243,596.21x = 335,995.98 × 158,828.09 - Step 4: Simplify right side
243,596.21x = 53,365,599,751.08 - Step 5: Solve for x
x = 53,365,599,751.08/243,596.21 - Step 6: Final answer
x = 219,074.01
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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.