Finding the Fourth Proportional to 259,897.27, 358,670.17 and 143,627.09
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Solution
The fourth proportional to 259,897.27, 358,670.17 and 143,627.09 is: 198,211.98
Step by Step Solution
- Step 1: Write the proportion equation
259,897.27 : 358,670.17 = 143,627.09 : x - Step 2: Convert to fraction form
259,897.27/358,670.17 = 143,627.09/x - Step 3: Cross multiply
259,897.27x = 358,670.17 × 143,627.09 - Step 4: Simplify right side
259,897.27x = 51,514,752,786.91 - Step 5: Solve for x
x = 51,514,752,786.91/259,897.27 - Step 6: Final answer
x = 198,211.98
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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.