Finding the Fourth Proportional to 352,628.14, 486,625.08 and 191,481.76
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Solution
The fourth proportional to 352,628.14, 486,625.08 and 191,481.76 is: 264,243.88
Step by Step Solution
- Step 1: Write the proportion equation
352,628.14 : 486,625.08 = 191,481.76 : x - Step 2: Convert to fraction form
352,628.14/486,625.08 = 191,481.76/x - Step 3: Cross multiply
352,628.14x = 486,625.08 × 191,481.76 - Step 4: Simplify right side
352,628.14x = 93,179,826,778.54 - Step 5: Solve for x
x = 93,179,826,778.54/352,628.14 - Step 6: Final answer
x = 264,243.88
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1.5x scale
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.