Finding the Fourth Proportional to 216,228.08, 298,366.94 and 120,738.80
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Solution
The fourth proportional to 216,228.08, 298,366.94 and 120,738.80 is: 166,604.02
Step by Step Solution
- Step 1: Write the proportion equation
216,228.08 : 298,366.94 = 120,738.80 : x - Step 2: Convert to fraction form
216,228.08/298,366.94 = 120,738.80/x - Step 3: Cross multiply
216,228.08x = 298,366.94 × 120,738.80 - Step 4: Simplify right side
216,228.08x = 36,024,467,343.04 - Step 5: Solve for x
x = 36,024,467,343.04/216,228.08 - Step 6: Final answer
x = 166,604.02
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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.