Finding the Fourth Proportional to 178,446.13, 246,262.55 and 97,877.05
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Solution
The fourth proportional to 178,446.13, 246,262.55 and 97,877.05 is: 135,074.11
Step by Step Solution
- Step 1: Write the proportion equation
178,446.13 : 246,262.55 = 97,877.05 : x - Step 2: Convert to fraction form
178,446.13/246,262.55 = 97,877.05/x - Step 3: Cross multiply
178,446.13x = 246,262.55 × 97,877.05 - Step 4: Simplify right side
178,446.13x = 24,103,451,919.48 - Step 5: Solve for x
x = 24,103,451,919.48/178,446.13 - Step 6: Final answer
x = 135,074.11
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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.