Finding the Fourth Proportional to 187,831.91, 281,764.26 and 47,590.53
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Solution
The fourth proportional to 187,831.91, 281,764.26 and 47,590.53 is: 71,389.95
Step by Step Solution
- Step 1: Write the proportion equation
187,831.91 : 281,764.26 = 47,590.53 : x - Step 2: Convert to fraction form
187,831.91/281,764.26 = 47,590.53/x - Step 3: Cross multiply
187,831.91x = 281,764.26 × 47,590.53 - Step 4: Simplify right side
187,831.91x = 13,409,310,468.46 - Step 5: Solve for x
x = 13,409,310,468.46/187,831.91 - Step 6: Final answer
x = 71,389.95
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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.