Finding the Fourth Proportional to 207,403.23, 311,290.28 and 106,270.28
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Solution
The fourth proportional to 207,403.23, 311,290.28 and 106,270.28 is: 159,500.42
Step by Step Solution
- Step 1: Write the proportion equation
207,403.23 : 311,290.28 = 106,270.28 : x - Step 2: Convert to fraction form
207,403.23/311,290.28 = 106,270.28/x - Step 3: Cross multiply
207,403.23x = 311,290.28 × 106,270.28 - Step 4: Simplify right side
207,403.23x = 33,080,903,129.08 - Step 5: Solve for x
x = 33,080,903,129.08/207,403.23 - Step 6: Final answer
x = 159,500.42
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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.