Finding the Fourth Proportional to 207,126.40, 310,707.36 and 88,769.60
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Solution
The fourth proportional to 207,126.40, 310,707.36 and 88,769.60 is: 133,162.01
Step by Step Solution
- Step 1: Write the proportion equation
207,126.40 : 310,707.36 = 88,769.60 : x - Step 2: Convert to fraction form
207,126.40/310,707.36 = 88,769.60/x - Step 3: Cross multiply
207,126.40x = 310,707.36 × 88,769.60 - Step 4: Simplify right side
207,126.40x = 27,581,368,064.26 - Step 5: Solve for x
x = 27,581,368,064.26/207,126.40 - Step 6: Final answer
x = 133,162.01
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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.