Finding the Fourth Proportional to 202,843.60, 279,831.04 and 131,246.96
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Solution
The fourth proportional to 202,843.60, 279,831.04 and 131,246.96 is: 181,060.55
Step by Step Solution
- Step 1: Write the proportion equation
202,843.60 : 279,831.04 = 131,246.96 : x - Step 2: Convert to fraction form
202,843.60/279,831.04 = 131,246.96/x - Step 3: Cross multiply
202,843.60x = 279,831.04 × 131,246.96 - Step 4: Simplify right side
202,843.60x = 36,726,973,313.64 - Step 5: Solve for x
x = 36,726,973,313.64/202,843.60 - Step 6: Final answer
x = 181,060.55
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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.