Finding the Fourth Proportional to 178,408.43, 246,207.01 and 97,831.15
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Solution
The fourth proportional to 178,408.43, 246,207.01 and 97,831.15 is: 135,008.84
Step by Step Solution
- Step 1: Write the proportion equation
178,408.43 : 246,207.01 = 97,831.15 : x - Step 2: Convert to fraction form
178,408.43/246,207.01 = 97,831.15/x - Step 3: Cross multiply
178,408.43x = 246,207.01 × 97,831.15 - Step 4: Simplify right side
178,408.43x = 24,086,714,249.70 - Step 5: Solve for x
x = 24,086,714,249.70/178,408.43 - Step 6: Final answer
x = 135,008.84
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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.