Finding the Fourth Proportional to 271,831.40, 375,131.97 and 149,328.95
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Solution
The fourth proportional to 271,831.40, 375,131.97 and 149,328.95 is: 206,076.50
Step by Step Solution
- Step 1: Write the proportion equation
271,831.40 : 375,131.97 = 149,328.95 : x - Step 2: Convert to fraction form
271,831.40/375,131.97 = 149,328.95/x - Step 3: Cross multiply
271,831.40x = 375,131.97 × 149,328.95 - Step 4: Simplify right side
271,831.40x = 56,018,061,315.87 - Step 5: Solve for x
x = 56,018,061,315.87/271,831.40 - Step 6: Final answer
x = 206,076.50
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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.