Finding the Fourth Proportional to 215,346.88, 297,188.48 and 119,859.68
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Solution
The fourth proportional to 215,346.88, 297,188.48 and 119,859.68 is: 165,411.80
Step by Step Solution
- Step 1: Write the proportion equation
215,346.88 : 297,188.48 = 119,859.68 : x - Step 2: Convert to fraction form
215,346.88/297,188.48 = 119,859.68/x - Step 3: Cross multiply
215,346.88x = 297,188.48 × 119,859.68 - Step 4: Simplify right side
215,346.88x = 35,620,916,112.49 - Step 5: Solve for x
x = 35,620,916,112.49/215,346.88 - Step 6: Final answer
x = 165,411.80
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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.