Finding the Fourth Proportional to 207,101.44, 310,455.28 and 132,010.80
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Solution
The fourth proportional to 207,101.44, 310,455.28 and 132,010.80 is: 197,890.70
Step by Step Solution
- Step 1: Write the proportion equation
207,101.44 : 310,455.28 = 132,010.80 : x - Step 2: Convert to fraction form
207,101.44/310,455.28 = 132,010.80/x - Step 3: Cross multiply
207,101.44x = 310,455.28 × 132,010.80 - Step 4: Simplify right side
207,101.44x = 40,983,449,877.02 - Step 5: Solve for x
x = 40,983,449,877.02/207,101.44 - Step 6: Final answer
x = 197,890.70
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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.