Finding the Fourth Proportional to 119,478.48, 179,244.36 and 36,378.96
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Solution
The fourth proportional to 119,478.48, 179,244.36 and 36,378.96 is: 54,576.55
Step by Step Solution
- Step 1: Write the proportion equation
119,478.48 : 179,244.36 = 36,378.96 : x - Step 2: Convert to fraction form
119,478.48/179,244.36 = 36,378.96/x - Step 3: Cross multiply
119,478.48x = 179,244.36 × 36,378.96 - Step 4: Simplify right side
119,478.48x = 6,520,723,402.67 - Step 5: Solve for x
x = 6,520,723,402.67/119,478.48 - Step 6: Final answer
x = 54,576.55
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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.