Finding the Fourth Proportional to 203,831.48, 305,629.50 and 79,026.68
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Solution
The fourth proportional to 203,831.48, 305,629.50 and 79,026.68 is: 118,494.38
Step by Step Solution
- Step 1: Write the proportion equation
203,831.48 : 305,629.50 = 79,026.68 : x - Step 2: Convert to fraction form
203,831.48/305,629.50 = 79,026.68/x - Step 3: Cross multiply
203,831.48x = 305,629.50 × 79,026.68 - Step 4: Simplify right side
203,831.48x = 24,152,884,695.06 - Step 5: Solve for x
x = 24,152,884,695.06/203,831.48 - Step 6: Final answer
x = 118,494.38
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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.