Finding the Fourth Proportional to 118,830.96, 178,234.83 and 48,704.94
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Solution
The fourth proportional to 118,830.96, 178,234.83 and 48,704.94 is: 73,052.65
Step by Step Solution
- Step 1: Write the proportion equation
118,830.96 : 178,234.83 = 48,704.94 : x - Step 2: Convert to fraction form
118,830.96/178,234.83 = 48,704.94/x - Step 3: Cross multiply
118,830.96x = 178,234.83 × 48,704.94 - Step 4: Simplify right side
118,830.96x = 8,680,916,701.06 - Step 5: Solve for x
x = 8,680,916,701.06/118,830.96 - Step 6: Final answer
x = 73,052.65
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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.