Finding the Fourth Proportional to 143,723.98, 215,585.97 and 55,004.68
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Solution
The fourth proportional to 143,723.98, 215,585.97 and 55,004.68 is: 82,507.02
Step by Step Solution
- Step 1: Write the proportion equation
143,723.98 : 215,585.97 = 55,004.68 : x - Step 2: Convert to fraction form
143,723.98/215,585.97 = 55,004.68/x - Step 3: Cross multiply
143,723.98x = 215,585.97 × 55,004.68 - Step 4: Simplify right side
143,723.98x = 11,858,237,292.34 - Step 5: Solve for x
x = 11,858,237,292.34/143,723.98 - Step 6: Final answer
x = 82,507.02
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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.