Finding the Fourth Proportional to 187,831.22, 259,125.63 and 124,257.56
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Solution
The fourth proportional to 187,831.22, 259,125.63 and 124,257.56 is: 171,421.55
Step by Step Solution
- Step 1: Write the proportion equation
187,831.22 : 259,125.63 = 124,257.56 : x - Step 2: Convert to fraction form
187,831.22/259,125.63 = 124,257.56/x - Step 3: Cross multiply
187,831.22x = 259,125.63 × 124,257.56 - Step 4: Simplify right side
187,831.22x = 32,198,318,517.26 - Step 5: Solve for x
x = 32,198,318,517.26/187,831.22 - Step 6: Final answer
x = 171,421.55
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1.5x scale
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.