Finding the Fourth Proportional to 405,853.48, 560,166.08 and 236,109.88
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Solution
The fourth proportional to 405,853.48, 560,166.08 and 236,109.88 is: 325,882.99
Step by Step Solution
- Step 1: Write the proportion equation
405,853.48 : 560,166.08 = 236,109.88 : x - Step 2: Convert to fraction form
405,853.48/560,166.08 = 236,109.88/x - Step 3: Cross multiply
405,853.48x = 560,166.08 × 236,109.88 - Step 4: Simplify right side
405,853.48x = 132,260,745,928.87 - Step 5: Solve for x
x = 132,260,745,928.87/405,853.48 - Step 6: Final answer
x = 325,882.99
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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.