Finding the Fourth Proportional to 203,565.07, 305,258.50 and 83,539.68
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Solution
The fourth proportional to 203,565.07, 305,258.50 and 83,539.68 is: 125,272.95
Step by Step Solution
- Step 1: Write the proportion equation
203,565.07 : 305,258.50 = 83,539.68 : x - Step 2: Convert to fraction form
203,565.07/305,258.50 = 83,539.68/x - Step 3: Cross multiply
203,565.07x = 305,258.50 × 83,539.68 - Step 4: Simplify right side
203,565.07x = 25,501,197,407.28 - Step 5: Solve for x
x = 25,501,197,407.28/203,565.07 - Step 6: Final answer
x = 125,272.95
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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.