Finding the Fourth Proportional to 143,448.75, 215,207.69 and 44,952.75
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Solution
The fourth proportional to 143,448.75, 215,207.69 and 44,952.75 is: 67,439.96
Step by Step Solution
- Step 1: Write the proportion equation
143,448.75 : 215,207.69 = 44,952.75 : x - Step 2: Convert to fraction form
143,448.75/215,207.69 = 44,952.75/x - Step 3: Cross multiply
143,448.75x = 215,207.69 × 44,952.75 - Step 4: Simplify right side
143,448.75x = 9,674,177,261.88 - Step 5: Solve for x
x = 9,674,177,261.88/143,448.75 - Step 6: Final answer
x = 67,439.96
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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.