Finding the Fourth Proportional to 270,846.08, 406,424.68 and 211,515.20
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Solution
The fourth proportional to 270,846.08, 406,424.68 and 211,515.20 is: 317,394.28
Step by Step Solution
- Step 1: Write the proportion equation
270,846.08 : 406,424.68 = 211,515.20 : x - Step 2: Convert to fraction form
270,846.08/406,424.68 = 211,515.20/x - Step 3: Cross multiply
270,846.08x = 406,424.68 × 211,515.20 - Step 4: Simplify right side
270,846.08x = 85,964,994,914.22 - Step 5: Solve for x
x = 85,964,994,914.22/270,846.08 - Step 6: Final answer
x = 317,394.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.