Finding the Fourth Proportional to 261,831.41, 392,777.87 and 93,375.68
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Solution
The fourth proportional to 261,831.41, 392,777.87 and 93,375.68 is: 140,074.48
Step by Step Solution
- Step 1: Write the proportion equation
261,831.41 : 392,777.87 = 93,375.68 : x - Step 2: Convert to fraction form
261,831.41/392,777.87 = 93,375.68/x - Step 3: Cross multiply
261,831.41x = 392,777.87 × 93,375.68 - Step 4: Simplify right side
261,831.41x = 36,675,898,269.43 - Step 5: Solve for x
x = 36,675,898,269.43/261,831.41 - Step 6: Final answer
x = 140,074.48
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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.