Finding the Fourth Proportional to 356,358.10, 491,774.34 and 195,218.98
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Solution
The fourth proportional to 356,358.10, 491,774.34 and 195,218.98 is: 269,402.28
Step by Step Solution
- Step 1: Write the proportion equation
356,358.10 : 491,774.34 = 195,218.98 : x - Step 2: Convert to fraction form
356,358.10/491,774.34 = 195,218.98/x - Step 3: Cross multiply
356,358.10x = 491,774.34 × 195,218.98 - Step 4: Simplify right side
356,358.10x = 96,003,685,044.97 - Step 5: Solve for x
x = 96,003,685,044.97/356,358.10 - Step 6: Final answer
x = 269,402.28
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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.