Finding the Fourth Proportional to 178,958.75, 246,956.77 and 98,385.70
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Solution
The fourth proportional to 178,958.75, 246,956.77 and 98,385.70 is: 135,768.80
Step by Step Solution
- Step 1: Write the proportion equation
178,958.75 : 246,956.77 = 98,385.70 : x - Step 2: Convert to fraction form
178,958.75/246,956.77 = 98,385.70/x - Step 3: Cross multiply
178,958.75x = 246,956.77 × 98,385.70 - Step 4: Simplify right side
178,958.75x = 24,297,014,686.19 - Step 5: Solve for x
x = 24,297,014,686.19/178,958.75 - Step 6: Final answer
x = 135,768.80
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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.