Finding the Fourth Proportional to 143,767.98, 215,651.97 and 55,048.68
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Solution
The fourth proportional to 143,767.98, 215,651.97 and 55,048.68 is: 82,573.02
Step by Step Solution
- Step 1: Write the proportion equation
143,767.98 : 215,651.97 = 55,048.68 : x - Step 2: Convert to fraction form
143,767.98/215,651.97 = 55,048.68/x - Step 3: Cross multiply
143,767.98x = 215,651.97 × 55,048.68 - Step 4: Simplify right side
143,767.98x = 11,871,356,287.90 - Step 5: Solve for x
x = 11,871,356,287.90/143,767.98 - Step 6: Final answer
x = 82,573.02
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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.