Finding the Fourth Proportional to 143,955.36, 215,947.36 and 44,114.40
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Solution
The fourth proportional to 143,955.36, 215,947.36 and 44,114.40 is: 66,175.99
Step by Step Solution
- Step 1: Write the proportion equation
143,955.36 : 215,947.36 = 44,114.40 : x - Step 2: Convert to fraction form
143,955.36/215,947.36 = 44,114.40/x - Step 3: Cross multiply
143,955.36x = 215,947.36 × 44,114.40 - Step 4: Simplify right side
143,955.36x = 9,526,388,217.98 - Step 5: Solve for x
x = 9,526,388,217.98/143,955.36 - Step 6: Final answer
x = 66,175.99
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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.