Finding the Fourth Proportional to 202,186.58, 302,680.82 and 149,831.06
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Solution
The fourth proportional to 202,186.58, 302,680.82 and 149,831.06 is: 224,302.66
Step by Step Solution
- Step 1: Write the proportion equation
202,186.58 : 302,680.82 = 149,831.06 : x - Step 2: Convert to fraction form
202,186.58/302,680.82 = 149,831.06/x - Step 3: Cross multiply
202,186.58x = 302,680.82 × 149,831.06 - Step 4: Simplify right side
202,186.58x = 45,350,986,963.44 - Step 5: Solve for x
x = 45,350,986,963.44/202,186.58 - Step 6: Final answer
x = 224,302.66
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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.