Finding the Fourth Proportional to 150,549.14, 207,236.35 and 130,121.89
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Solution
The fourth proportional to 150,549.14, 207,236.35 and 130,121.89 is: 179,117.50
Step by Step Solution
- Step 1: Write the proportion equation
150,549.14 : 207,236.35 = 130,121.89 : x - Step 2: Convert to fraction form
150,549.14/207,236.35 = 130,121.89/x - Step 3: Cross multiply
150,549.14x = 207,236.35 × 130,121.89 - Step 4: Simplify right side
150,549.14x = 26,965,985,538.70 - Step 5: Solve for x
x = 26,965,985,538.70/150,549.14 - Step 6: Final answer
x = 179,117.50
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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.