Finding the Fourth Proportional to 77,233.40, 115,850.10 and 27,313.10
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Solution
The fourth proportional to 77,233.40, 115,850.10 and 27,313.10 is: 40,969.65
Step by Step Solution
- Step 1: Write the proportion equation
77,233.40 : 115,850.10 = 27,313.10 : x - Step 2: Convert to fraction form
77,233.40/115,850.10 = 27,313.10/x - Step 3: Cross multiply
77,233.40x = 115,850.10 × 27,313.10 - Step 4: Simplify right side
77,233.40x = 3,164,225,366.31 - Step 5: Solve for x
x = 3,164,225,366.31/77,233.40 - Step 6: Final answer
x = 40,969.65
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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.