Finding the Fourth Proportional to 119,306.08, 178,958.04 and 36,200.08
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Solution
The fourth proportional to 119,306.08, 178,958.04 and 36,200.08 is: 54,299.79
Step by Step Solution
- Step 1: Write the proportion equation
119,306.08 : 178,958.04 = 36,200.08 : x - Step 2: Convert to fraction form
119,306.08/178,958.04 = 36,200.08/x - Step 3: Cross multiply
119,306.08x = 178,958.04 × 36,200.08 - Step 4: Simplify right side
119,306.08x = 6,478,295,364.64 - Step 5: Solve for x
x = 6,478,295,364.64/119,306.08 - Step 6: Final answer
x = 54,299.79
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1.5x scale
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.