Finding the Fourth Proportional to 412,506.75, 568,827.56 and 305,301.63
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Solution
The fourth proportional to 412,506.75, 568,827.56 and 305,301.63 is: 420,996.70
Step by Step Solution
- Step 1: Write the proportion equation
412,506.75 : 568,827.56 = 305,301.63 : x - Step 2: Convert to fraction form
412,506.75/568,827.56 = 305,301.63/x - Step 3: Cross multiply
412,506.75x = 568,827.56 × 305,301.63 - Step 4: Simplify right side
412,506.75x = 173,663,979,730.42 - Step 5: Solve for x
x = 173,663,979,730.42/412,506.75 - Step 6: Final answer
x = 420,996.70
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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.