Finding the Fourth Proportional to 246,323.29, 339,897.26 and 138,886.91
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Solution
The fourth proportional to 246,323.29, 339,897.26 and 138,886.91 is: 191,647.65
Step by Step Solution
- Step 1: Write the proportion equation
246,323.29 : 339,897.26 = 138,886.91 : x - Step 2: Convert to fraction form
246,323.29/339,897.26 = 138,886.91/x - Step 3: Cross multiply
246,323.29x = 339,897.26 × 138,886.91 - Step 4: Simplify right side
246,323.29x = 47,207,279,464.43 - Step 5: Solve for x
x = 47,207,279,464.43/246,323.29 - Step 6: Final answer
x = 191,647.65
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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.