Finding the Fourth Proportional to 326,894.49, 451,170.36 and 190,944.18
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Solution
The fourth proportional to 326,894.49, 451,170.36 and 190,944.18 is: 263,535.66
Step by Step Solution
- Step 1: Write the proportion equation
326,894.49 : 451,170.36 = 190,944.18 : x - Step 2: Convert to fraction form
326,894.49/451,170.36 = 190,944.18/x - Step 3: Cross multiply
326,894.49x = 451,170.36 × 190,944.18 - Step 4: Simplify right side
326,894.49x = 86,148,354,430.50 - Step 5: Solve for x
x = 86,148,354,430.50/326,894.49 - Step 6: Final answer
x = 263,535.66
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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.