Finding the Fourth Proportional to 204,430.45, 306,708.47 and 104,660.70
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Solution
The fourth proportional to 204,430.45, 306,708.47 and 104,660.70 is: 157,023.20
Step by Step Solution
- Step 1: Write the proportion equation
204,430.45 : 306,708.47 = 104,660.70 : x - Step 2: Convert to fraction form
204,430.45/306,708.47 = 104,660.70/x - Step 3: Cross multiply
204,430.45x = 306,708.47 × 104,660.70 - Step 4: Simplify right side
204,430.45x = 32,100,323,166.13 - Step 5: Solve for x
x = 32,100,323,166.13/204,430.45 - Step 6: Final answer
x = 157,023.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.