Finding the Fourth Proportional to 187,831.62, 259,207.13 and 101,792.99
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Solution
The fourth proportional to 187,831.62, 259,207.13 and 101,792.99 is: 140,474.04
Step by Step Solution
- Step 1: Write the proportion equation
187,831.62 : 259,207.13 = 101,792.99 : x - Step 2: Convert to fraction form
187,831.62/259,207.13 = 101,792.99/x - Step 3: Cross multiply
187,831.62x = 259,207.13 × 101,792.99 - Step 4: Simplify right side
187,831.62x = 26,385,466,987.02 - Step 5: Solve for x
x = 26,385,466,987.02/187,831.62 - Step 6: Final answer
x = 140,474.04
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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.